kxcjk-1013.c revision a735e3d7f03ab40d746290954baaf535719d9025
11a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada/* 21a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * KXCJK-1013 3-axis accelerometer driver 31a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * Copyright (c) 2014, Intel Corporation. 41a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * 51a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * This program is free software; you can redistribute it and/or modify it 61a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * under the terms and conditions of the GNU General Public License, 71a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * version 2, as published by the Free Software Foundation. 81a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * 91a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * This program is distributed in the hope it will be useful, but WITHOUT 101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * more details. 131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada */ 141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/module.h> 161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/i2c.h> 171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/interrupt.h> 181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/delay.h> 191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/bitops.h> 201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/slab.h> 211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/string.h> 221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/acpi.h> 231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/gpio/consumer.h> 24124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada#include <linux/pm.h> 25124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada#include <linux/pm_runtime.h> 261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/iio.h> 271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/sysfs.h> 281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/buffer.h> 291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/trigger.h> 301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/trigger_consumer.h> 311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/triggered_buffer.h> 321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#include <linux/iio/accel/kxcjk_1013.h> 331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_DRV_NAME "kxcjk1013" 351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_IRQ_NAME "kxcjk1013_event" 361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_XOUT_L 0x06 381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada/* 391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * From low byte X axis register, all the other addresses of Y and Z can be 401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * obtained by just applying axis offset. The following axis defines are just 411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada * provide clarity, but not used. 421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada */ 431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_XOUT_H 0x07 441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_YOUT_L 0x08 451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_YOUT_H 0x09 461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_ZOUT_L 0x0A 471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_ZOUT_H 0x0B 481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_DCST_RESP 0x0C 501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_WHO_AM_I 0x0F 511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_SRC1 0x16 521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_SRC2 0x17 531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_STATUS_REG 0x18 541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_REL 0x1A 551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1 0x1B 561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL2 0x1D 571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_CTRL1 0x1E 581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_CTRL2 0x1F 591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_DATA_CTRL 0x21 601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_WAKE_TIMER 0x29 611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_SELF_TEST 0x3A 621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_WAKE_THRES 0x6A 631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_PC1 BIT(7) 651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_RES BIT(6) 661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_DRDY BIT(5) 671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_GSEL1 BIT(4) 681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_GSEL0 BIT(3) 691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_CTRL1_BIT_WUFE BIT(1) 701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_REG1_BIT_IEA BIT(4) 711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_REG_INT_REG1_BIT_IEN BIT(5) 721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_DATA_MASK_12_BIT 0x0FFF 741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_MAX_STARTUP_TIME_US 100000 751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 76124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada#define KXCJK1013_SLEEP_DELAY_MS 2000 77124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastruct kxcjk1013_data { 791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct i2c_client *client; 801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_trigger *trig; 811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool trig_mode; 821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct mutex mutex; 831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada s16 buffer[8]; 841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada u8 odr_bits; 85a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada u8 range; 861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool active_high_intr; 87124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada bool trigger_on; 881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaenum kxcjk1013_axis { 911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada AXIS_X, 921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada AXIS_Y, 931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada AXIS_Z, 941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaenum kxcjk1013_mode { 971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada STANDBY, 981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada OPERATION, 991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 1001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 101a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvadaenum kxcjk1013_range { 102a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada KXCJK1013_RANGE_2G, 103a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada KXCJK1013_RANGE_4G, 104a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada KXCJK1013_RANGE_8G, 105a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada}; 106a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 1071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct { 1081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int val; 1091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int val2; 1101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int odr_bits; 1111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} samp_freq_table[] = { {0, 781000, 0x08}, {1, 563000, 0x09}, 112f0ca974920686d53cf2330ef8abcc6e4489201d6Srinivas Pandruvada {3, 125000, 0x0A}, {6, 250000, 0x0B}, {12, 500000, 0}, 1131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {25, 0, 0x01}, {50, 0, 0x02}, {100, 0, 0x03}, 1141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {200, 0, 0x04}, {400, 0, 0x05}, {800, 0, 0x06}, 1151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {1600, 0, 0x07} }; 1161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada/* Refer to section 4 of the specification */ 1181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct { 1191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int odr_bits; 1201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int usec; 1211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} odr_start_up_times[] = { {0x08, 100000}, {0x09, 100000}, {0x0A, 100000}, 1221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {0x0B, 100000}, { 0, 80000}, {0x01, 41000}, 1231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {0x02, 21000}, {0x03, 11000}, {0x04, 6400}, 1241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {0x05, 3900}, {0x06, 2700}, {0x07, 2100} }; 1251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 126a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvadastatic const struct { 127a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada u16 scale; 128a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada u8 gsel_0; 129a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada u8 gsel_1; 130a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada} KXCJK1013_scale_table[] = { {9582, 0, 0}, 131a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada {19163, 1, 0}, 132a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada {38326, 0, 1} }; 133a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 1341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_set_mode(struct kxcjk1013_data *data, 1351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada enum kxcjk1013_mode mode) 1361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 1371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 1381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 1401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 1421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (mode == STANDBY) 1461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_CTRL1_BIT_PC1; 1471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 1481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_PC1; 1491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, 1511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_REG_CTRL1, ret); 1521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 1531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_ctrl1\n"); 1541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 1551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 1561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 1571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 1581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 1591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 160124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadastatic int kxcjk1013_get_mode(struct kxcjk1013_data *data, 161124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada enum kxcjk1013_mode *mode) 162124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada{ 163124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int ret; 164124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 165124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 166124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) { 167124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 168124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 169124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada } 170124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 171124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret & KXCJK1013_REG_CTRL1_BIT_PC1) 172124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada *mode = OPERATION; 173124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada else 174124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada *mode = STANDBY; 175124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 176124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return 0; 177124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada} 178124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 179a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvadastatic int kxcjk1013_set_range(struct kxcjk1013_data *data, int range_index) 180a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada{ 181a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada int ret; 182a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 183a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 184a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret < 0) { 185a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 186a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 187a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada } 188a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 189a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret |= (KXCJK1013_scale_table[range_index].gsel_0 << 3); 190a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret |= (KXCJK1013_scale_table[range_index].gsel_1 << 4); 191a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 192a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, 193a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada KXCJK1013_REG_CTRL1, 194a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret); 195a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret < 0) { 196a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_ctrl1\n"); 197a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 198a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada } 199a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 200a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada data->range = range_index; 201a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 202a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return 0; 203a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada} 204a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 2051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_chip_init(struct kxcjk1013_data *data) 2061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 2071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 2081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_WHO_AM_I); 2101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading who_am_i\n"); 2121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_dbg(&data->client->dev, "KXCJK1013 Chip Id %x\n", ret); 2161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 2181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 2191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 2221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 2241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Set 12 bit mode */ 2281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_RES; 2291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_CTRL1, 2311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret); 2321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl\n"); 2341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 237a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada /* Setting range to 4G */ 238a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = kxcjk1013_set_range(data, KXCJK1013_RANGE_4G); 239a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret < 0) 240a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 241a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 242a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada data->range = KXCJK1013_RANGE_4G; 243a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 244a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 2451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_DATA_CTRL); 2461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_data_ctrl\n"); 2481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->odr_bits = ret; 2521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* Set up INT polarity */ 2541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1); 2551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n"); 2571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->active_high_intr) 2611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_INT_REG1_BIT_IEA; 2621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 2631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEA; 2641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 2651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, 2661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret); 2671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 2681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n"); 2691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 2701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 2711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 272124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 273124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) 274124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 275124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 276124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return 0; 277124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada} 278124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 279124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadastatic int kxcjk1013_get_startup_times(struct kxcjk1013_data *data) 280124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada{ 281124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int i; 282124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 283124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(odr_start_up_times); ++i) { 284124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (odr_start_up_times[i].odr_bits == data->odr_bits) 285124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return odr_start_up_times[i].usec; 286124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada } 287124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 288124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return KXCJK1013_MAX_STARTUP_TIME_US; 289124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada} 290124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 291124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadastatic int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on) 292124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada{ 293124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int ret; 294124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 295124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (on) 296124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = pm_runtime_get_sync(&data->client->dev); 297124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada else { 298124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_mark_last_busy(&data->client->dev); 299124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = pm_runtime_put_autosuspend(&data->client->dev); 300124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada } 301124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) { 302124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada dev_err(&data->client->dev, 303124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada "Failed: kxcjk1013_set_power_state for %d\n", on); 304124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 305124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada } 306124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 3071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 3081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_chip_setup_interrupt(struct kxcjk1013_data *data, 3111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool status) 3121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 314124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada enum kxcjk1013_mode store_mode; 315124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 316124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_get_mode(data, &store_mode); 317124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) 318124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 3191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* This is requirement by spec to change state to STANDBY */ 3211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 3221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 3231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_CTRL1); 3261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 3271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_int_ctrl1\n"); 3281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (status) 3321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_INT_REG1_BIT_IEN; 3331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 3341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEN; 3351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, 3371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret); 3381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 3391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_int_ctrl1\n"); 3401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_CTRL1); 3441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 3451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_ctrl1\n"); 3461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (status) 3501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret |= KXCJK1013_REG_CTRL1_BIT_DRDY; 3511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 3521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret &= ~KXCJK1013_REG_CTRL1_BIT_DRDY; 3531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, 3551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_REG_CTRL1, ret); 3561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 3571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing reg_ctrl1\n"); 3581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 3591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 361124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (store_mode == OPERATION) { 362124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 363124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) 364124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 365124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada } 366124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 367124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return 0; 3681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_convert_freq_to_bit(int val, int val2) 3711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int i; 3731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(samp_freq_table); ++i) { 3751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (samp_freq_table[i].val == val && 3761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada samp_freq_table[i].val2 == val2) { 3771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return samp_freq_table[i].odr_bits; 3781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 3801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 3821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 3831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2) 3851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 3861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 3871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int odr_bits; 388124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada enum kxcjk1013_mode store_mode; 389124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 390124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_get_mode(data, &store_mode); 391124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) 392124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 3931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada odr_bits = kxcjk1013_convert_freq_to_bit(val, val2); 3951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (odr_bits < 0) 3961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return odr_bits; 3971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 3981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* To change ODR, the chip must be set to STANDBY as per spec */ 3991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 4001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 4011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_DATA_CTRL, 4041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada odr_bits); 4051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 4061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, "Error writing data_ctrl\n"); 4071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->odr_bits = odr_bits; 4111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 412124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (store_mode == OPERATION) { 4131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 4141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 4151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 4191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_get_odr(struct kxcjk1013_data *data, int *val, int *val2) 4221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 4231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int i; 4241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(samp_freq_table); ++i) { 4261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (samp_freq_table[i].odr_bits == data->odr_bits) { 4271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val = samp_freq_table[i].val; 4281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val2 = samp_freq_table[i].val2; 4291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IIO_VAL_INT_PLUS_MICRO; 4301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 4341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_get_acc_reg(struct kxcjk1013_data *data, int axis) 4371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 4381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada u8 reg = KXCJK1013_REG_XOUT_L + axis * 2; 4391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 4401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = i2c_smbus_read_word_data(data->client, reg); 4421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 4431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&data->client->dev, 4441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada "failed to read accel_%c registers\n", 'x' + axis); 4451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 4471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 4491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 4501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 451a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvadastatic int kxcjk1013_set_scale(struct kxcjk1013_data *data, int val) 452a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada{ 453a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada int ret, i; 454a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada enum kxcjk1013_mode store_mode; 455a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 456a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 457a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada for (i = 0; i < ARRAY_SIZE(KXCJK1013_scale_table); ++i) { 458a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (KXCJK1013_scale_table[i].scale == val) { 459a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 460a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = kxcjk1013_get_mode(data, &store_mode); 461a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret < 0) 462a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 463a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 464a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 465a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret < 0) 466a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 467a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 468a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = kxcjk1013_set_range(data, i); 469a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret < 0) 470a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 471a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 472a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (store_mode == OPERATION) { 473a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 474a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (ret) 475a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return ret; 476a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada } 477a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 478a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return 0; 479a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada } 480a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada } 481a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 482a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return -EINVAL; 483a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada} 484a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 4851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_read_raw(struct iio_dev *indio_dev, 4861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_chan_spec const *chan, int *val, 4871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int *val2, long mask) 4881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 4891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 4901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 4911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 4921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada switch (mask) { 4931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_RAW: 4941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 4951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (iio_buffer_enabled(indio_dev)) 4961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = -EBUSY; 4971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else { 498124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_power_state(data, true); 49988f6da779a37a3579e580296776ba86d6c6bd980Srinivas Pandruvada if (ret < 0) { 50088f6da779a37a3579e580296776ba86d6c6bd980Srinivas Pandruvada mutex_unlock(&data->mutex); 5011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 50288f6da779a37a3579e580296776ba86d6c6bd980Srinivas Pandruvada } 5031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_get_acc_reg(data, chan->scan_index); 504124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) { 505124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada kxcjk1013_set_power_state(data, false); 506124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada mutex_unlock(&data->mutex); 507124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 508124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada } 509124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada *val = sign_extend32(ret >> 4, 11); 510124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_power_state(data, false); 5111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 5131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 5151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 5161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IIO_VAL_INT; 5181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_SCALE: 5201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada *val = 0; 521a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada *val2 = KXCJK1013_scale_table[data->range].scale; 5221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IIO_VAL_INT_PLUS_MICRO; 5231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_SAMP_FREQ: 5251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 5261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_get_odr(data, val, val2); 5271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 5281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 5291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada default: 5311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 5321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 5341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_write_raw(struct iio_dev *indio_dev, 5361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_chan_spec const *chan, int val, 5371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int val2, long mask) 5381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 5391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 5401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 5411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada switch (mask) { 5431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada case IIO_CHAN_INFO_SAMP_FREQ: 5441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 5451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_set_odr(data, val, val2); 5461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 5471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada break; 548a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada case IIO_CHAN_INFO_SCALE: 549a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada if (val) 550a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada return -EINVAL; 551a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 552a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada mutex_lock(&data->mutex); 553a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada ret = kxcjk1013_set_scale(data, val2); 554a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada mutex_unlock(&data->mutex); 555a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada break; 5561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada default: 5571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = -EINVAL; 5581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 5591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 5611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 5621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_validate_trigger(struct iio_dev *indio_dev, 5641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_trigger *trig) 5651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 5661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 5671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig != trig) 5691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 5701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 5721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 5731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic IIO_CONST_ATTR_SAMP_FREQ_AVAIL( 5751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada "0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600"); 5761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 577a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvadastatic IIO_CONST_ATTR(in_accel_scale_available, "0.009582 0.019163 0.038326"); 578a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada 5791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic struct attribute *kxcjk1013_attributes[] = { 5801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada &iio_const_attr_sampling_frequency_available.dev_attr.attr, 581a735e3d7f03ab40d746290954baaf535719d9025Srinivas Pandruvada &iio_const_attr_in_accel_scale_available.dev_attr.attr, 5821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada NULL, 5831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 5841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct attribute_group kxcjk1013_attrs_group = { 5861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .attrs = kxcjk1013_attributes, 5871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 5881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 5891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#define KXCJK1013_CHANNEL(_axis) { \ 5901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .type = IIO_ACCEL, \ 5911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .modified = 1, \ 5921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .channel2 = IIO_MOD_##_axis, \ 5931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ 5941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ 5951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada BIT(IIO_CHAN_INFO_SAMP_FREQ), \ 5961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .scan_index = AXIS_##_axis, \ 5971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .scan_type = { \ 5981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .sign = 's', \ 5991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .realbits = 12, \ 6001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .storagebits = 16, \ 6011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .shift = 4, \ 602f4e2f94d8c1057154728eff974c8ce8688e1ea2dPeter Meerwald .endianness = IIO_CPU, \ 6031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada }, \ 6041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 6051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct iio_chan_spec kxcjk1013_channels[] = { 6071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_CHANNEL(X), 6081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_CHANNEL(Y), 6091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_CHANNEL(Z), 6101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada IIO_CHAN_SOFT_TIMESTAMP(3), 6111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 6121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct iio_info kxcjk1013_info = { 6141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .attrs = &kxcjk1013_attrs_group, 6151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .read_raw = kxcjk1013_read_raw, 6161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .write_raw = kxcjk1013_write_raw, 6171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .validate_trigger = kxcjk1013_validate_trigger, 6181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .driver_module = THIS_MODULE, 6191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 6201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic irqreturn_t kxcjk1013_trigger_handler(int irq, void *p) 6221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 6231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_poll_func *pf = p; 6241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = pf->indio_dev; 6251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 6261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int bit, ret, i = 0; 6271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 6291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada for_each_set_bit(bit, indio_dev->buffer->scan_mask, 6311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->masklength) { 6321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_get_acc_reg(data, bit); 6331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 6341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 6351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err; 6361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->buffer[i++] = ret; 6381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 6391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 6401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, 6421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada pf->timestamp); 6431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr: 6441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_notify_done(indio_dev->trig); 6451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return IRQ_HANDLED; 6471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 6481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 64959bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvadastatic int kxcjk1013_trig_try_reen(struct iio_trigger *trig) 65059bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada{ 65159bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); 65259bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 65359bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada int ret; 65459bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada 65559bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada ret = i2c_smbus_read_byte_data(data->client, KXCJK1013_REG_INT_REL); 65659bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada if (ret < 0) { 65759bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada dev_err(&data->client->dev, "Error reading reg_int_rel\n"); 65859bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada return ret; 65959bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada } 66059bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada 66159bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada return 0; 66259bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada} 66359bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada 6641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig, 6651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada bool state) 6661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 6671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); 6681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 669124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int ret; 670124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 671124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (state && data->trigger_on) 672124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return 0; 6731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 675124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_chip_setup_interrupt(data, state); 676124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (!ret) { 677124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_power_state(data, state); 678124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) { 67988f6da779a37a3579e580296776ba86d6c6bd980Srinivas Pandruvada mutex_unlock(&data->mutex); 680124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 68188f6da779a37a3579e580296776ba86d6c6bd980Srinivas Pandruvada } 6821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 683124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada data->trigger_on = state; 6841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 6851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 6871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 6881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct iio_trigger_ops kxcjk1013_trigger_ops = { 6901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .set_trigger_state = kxcjk1013_data_rdy_trigger_set_state, 69159bfeaba3b62089f98952fe689d44a093275b1a0Srinivas Pandruvada .try_reenable = kxcjk1013_trig_try_reen, 6921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .owner = THIS_MODULE, 6931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 6941a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 6951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_acpi_gpio_probe(struct i2c_client *client, 6961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data) 6971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 6981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada const struct acpi_device_id *id; 6991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct device *dev; 7001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct gpio_desc *gpio; 7011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 7021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!client) 7041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -EINVAL; 7051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev = &client->dev; 7071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!ACPI_HANDLE(dev)) 7081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENODEV; 7091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada id = acpi_match_device(dev->driver->acpi_match_table, dev); 7111a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!id) 7121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENODEV; 7131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada /* data ready gpio interrupt pin */ 7151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada gpio = devm_gpiod_get_index(dev, "kxcjk1013_int", 0); 7161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (IS_ERR(gpio)) { 7171a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(dev, "acpi gpio get index failed\n"); 7181a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return PTR_ERR(gpio); 7191a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 7201a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7211a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = gpiod_direction_input(gpio); 7221a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret) 7231a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 7241a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = gpiod_to_irq(gpio); 7261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret); 7281a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7291a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 7301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 7311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_probe(struct i2c_client *client, 7331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada const struct i2c_device_id *id) 7341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 7351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data; 7361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev; 7371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_trigger *trig = NULL; 7381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk_1013_platform_data *pdata; 7391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada int ret; 7401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); 7421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!indio_dev) 7431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENOMEM; 7441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data = iio_priv(indio_dev); 7461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada i2c_set_clientdata(client, indio_dev); 7471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->client = client; 7481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada pdata = dev_get_platdata(&client->dev); 7501a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (pdata) 7511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->active_high_intr = pdata->active_high_intr; 7521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada else 7531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->active_high_intr = true; /* default polarity */ 7541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = kxcjk1013_chip_init(data); 7561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) 7571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 7581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_init(&data->mutex); 7601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->dev.parent = &client->dev; 7621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->channels = kxcjk1013_channels; 7631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels); 7641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->name = KXCJK1013_DRV_NAME; 7651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->modes = INDIO_DIRECT_MODE; 7661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->info = &kxcjk1013_info; 7671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (client->irq < 0) 7691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada client->irq = kxcjk1013_acpi_gpio_probe(client, data); 7701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (client->irq >= 0) { 7721a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig = iio_trigger_alloc("%s-dev%d", indio_dev->name, 7731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->id); 7741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (!trig) 7751a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return -ENOMEM; 7761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->trig_mode = true; 7781a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = devm_request_irq(&client->dev, client->irq, 7801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_generic_data_rdy_poll, 7811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada IRQF_TRIGGER_RISING, 7821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada KXCJK1013_IRQ_NAME, 7831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig); 7841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret) { 7851a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&client->dev, "unable to request IRQ\n"); 7861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_trigger_free; 7871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 7881a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7891a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig->dev.parent = &client->dev; 7901a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada trig->ops = &kxcjk1013_trigger_ops; 7911a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_set_drvdata(trig, indio_dev); 7921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada data->trig = trig; 7931a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada indio_dev->trig = trig; 794c1288b8338815d6d17577b6b6a1267e7be8bc409Srinivas Pandruvada iio_trigger_get(indio_dev->trig); 7951a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 7961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = iio_trigger_register(trig); 7971a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret) 7981a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_trigger_free; 7991a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8001a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada ret = iio_triggered_buffer_setup(indio_dev, 8011a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada &iio_pollfunc_store_time, 8021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_trigger_handler, 8031a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada NULL); 8041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 8051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&client->dev, 8061a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada "iio triggered buffer setup failed\n"); 8071a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_trigger_unregister; 8081a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 8091a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 8101a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 811124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = iio_device_register(indio_dev); 8121a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (ret < 0) { 8131a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada dev_err(&client->dev, "unable to register iio device\n"); 8141a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada goto err_buffer_cleanup; 8151a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 8161a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 817124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = pm_runtime_set_active(&client->dev); 818124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret) 819124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada goto err_iio_unregister; 820124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 821124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_enable(&client->dev); 822124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_set_autosuspend_delay(&client->dev, 823124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada KXCJK1013_SLEEP_DELAY_MS); 824124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_use_autosuspend(&client->dev); 825124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 8261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 8271a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 828124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadaerr_iio_unregister: 829124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada iio_device_unregister(indio_dev); 8301a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr_buffer_cleanup: 8311a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) 8321a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_triggered_buffer_cleanup(indio_dev); 8331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr_trigger_unregister: 8341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) 8351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_unregister(trig); 8361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadaerr_trigger_free: 8371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) 8381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_free(trig); 8391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return ret; 8411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 8421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_remove(struct i2c_client *client) 8441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 8451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(client); 8461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 8471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 848124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_disable(&client->dev); 849124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_set_suspended(&client->dev); 850124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada pm_runtime_put_noidle(&client->dev); 851124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 852124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada iio_device_unregister(indio_dev); 853124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 8541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada if (data->trig_mode) { 8551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_triggered_buffer_cleanup(indio_dev); 8561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_unregister(data->trig); 8571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada iio_trigger_free(data->trig); 8581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada } 8591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 8611a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada kxcjk1013_set_mode(data, STANDBY); 8621a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 8631a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8641a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada return 0; 8651a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 8661a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8671a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#ifdef CONFIG_PM_SLEEP 8681a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_suspend(struct device *dev) 8691a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 8701a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 8711a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 872124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int ret; 8731a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8741a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 875124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_mode(data, STANDBY); 8761a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_unlock(&data->mutex); 8771a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 878124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 8791a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 8801a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8811a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic int kxcjk1013_resume(struct device *dev) 8821a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada{ 8831a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 8841a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 885124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int ret = 0; 8861a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 8871a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada mutex_lock(&data->mutex); 888124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada /* Check, if the suspend occured while active */ 889124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (data->trigger_on) 890124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 891124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada mutex_unlock(&data->mutex); 8921a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 893124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 894124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada} 895124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada#endif 8961a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 897124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada#ifdef CONFIG_PM_RUNTIME 898124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadastatic int kxcjk1013_runtime_suspend(struct device *dev) 899124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada{ 900124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 901124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 9021a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 903124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return kxcjk1013_set_mode(data, STANDBY); 9041a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada} 9051a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 906124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadastatic int kxcjk1013_runtime_resume(struct device *dev) 907124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada{ 908124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 909124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada struct kxcjk1013_data *data = iio_priv(indio_dev); 910124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int ret; 911124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada int sleep_val; 912124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 913124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada ret = kxcjk1013_set_mode(data, OPERATION); 914124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (ret < 0) 915124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return ret; 916124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 917124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada sleep_val = kxcjk1013_get_startup_times(data); 918124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada if (sleep_val < 20000) 919124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada usleep_range(sleep_val, 20000); 920124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada else 921124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada msleep_interruptible(sleep_val/1000); 922124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 923124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada return 0; 924124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada} 9251a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada#endif 9261a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 927124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvadastatic const struct dev_pm_ops kxcjk1013_pm_ops = { 928124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada SET_SYSTEM_SLEEP_PM_OPS(kxcjk1013_suspend, kxcjk1013_resume) 929124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada SET_RUNTIME_PM_OPS(kxcjk1013_runtime_suspend, 930124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada kxcjk1013_runtime_resume, NULL) 931124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada}; 932124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada 9331a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct acpi_device_id kx_acpi_match[] = { 9341a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {"KXCJ1013", 0}, 9351a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada { }, 9361a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 9371a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_DEVICE_TABLE(acpi, kx_acpi_match); 9381a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 9391a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic const struct i2c_device_id kxcjk1013_id[] = { 9401a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {"kxcjk1013", 0}, 9411a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada {} 9421a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 9431a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 9441a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_DEVICE_TABLE(i2c, kxcjk1013_id); 9451a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 9461a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadastatic struct i2c_driver kxcjk1013_driver = { 9471a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .driver = { 9481a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .name = KXCJK1013_DRV_NAME, 9491a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .acpi_match_table = ACPI_PTR(kx_acpi_match), 950124e1b1d0924ca51ded8bb6f52844b2bc9e485f7Srinivas Pandruvada .pm = &kxcjk1013_pm_ops, 9511a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada }, 9521a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .probe = kxcjk1013_probe, 9531a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .remove = kxcjk1013_remove, 9541a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada .id_table = kxcjk1013_id, 9551a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada}; 9561a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvadamodule_i2c_driver(kxcjk1013_driver); 9571a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas Pandruvada 9581a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); 9591a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_LICENSE("GPL v2"); 9601a4fbf6a9286a6e3db497bc7bbae2024f0f1ad90Srinivas PandruvadaMODULE_DESCRIPTION("KXCJK1013 accelerometer driver"); 961