twl6040-vibra.c revision b2ebcc1be96ee6dd5481697b421447e5a3f61d76
1cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz/* 2cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * twl6040-vibra.c - TWL6040 Vibrator driver 3cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 4cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Author: Jorge Eduardo Candelaria <jorge.candelaria@ti.com> 5cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Author: Misael Lopez Cruz <misael.lopez@ti.com> 6cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 7cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Copyright: (C) 2011 Texas Instruments, Inc. 8cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 9cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Based on twl4030-vibra.c by Henrik Saari <henrik.saari@nokia.com> 10cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Felipe Balbi <felipe.balbi@nokia.com> 11cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Jari Vanhala <ext-javi.vanhala@nokia.com> 12cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 13cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * This program is free software; you can redistribute it and/or modify 14cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * it under the terms of the GNU General Public License version 2 as 15cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * published by the Free Software Foundation. 16cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 17cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * This program is distributed in the hope that it will be useful, but 18cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * WITHOUT ANY WARRANTY; without even the implied warranty of 19cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * General Public License for more details. 21cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 22cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * You should have received a copy of the GNU General Public License 23cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * along with this program; if not, write to the Free Software 24cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 25cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 02110-1301 USA 26cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 27cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz */ 28cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/module.h> 29cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/platform_device.h> 309ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi#include <linux/of.h> 31cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/workqueue.h> 328eaeb9393397be8eb700ab38a69c450975463b77Peter Ujfalusi#include <linux/input.h> 33cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/mfd/twl6040.h> 34cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/slab.h> 35cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/delay.h> 36cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/regulator/consumer.h> 37cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 38cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#define EFFECT_DIR_180_DEG 0x8000 39cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 40cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz/* Recommended modulation index 85% */ 41cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#define TWL6040_VIBRA_MOD 85 42cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 43cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#define TWL6040_NUM_SUPPLIES 2 44cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 45cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstruct vibra_info { 46cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct device *dev; 47cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct input_dev *input_dev; 48cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct workqueue_struct *workqueue; 49cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct work_struct play_work; 50cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct mutex mutex; 51625cbe46bc97a82dcd9254b5bc01c8520d78b227Peter Ujfalusi int irq; 52cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 53cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz bool enabled; 54cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int weak_speed; 55cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int strong_speed; 56cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int direction; 57cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 58cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int vibldrv_res; 59cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int vibrdrv_res; 60cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int viblmotor_res; 61cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int vibrmotor_res; 62cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 63cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct regulator_bulk_data supplies[TWL6040_NUM_SUPPLIES]; 64cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 65cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040; 66cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz}; 67cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 68cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic irqreturn_t twl6040_vib_irq_handler(int irq, void *data) 69cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 70cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = data; 71cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 72cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz u8 status; 73cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 74cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); 75cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (status & TWL6040_VIBLOCDET) { 76cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_warn(info->dev, "Left Vibrator overcurrent detected\n"); 77cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLL, 781e036f65329901a2432c92132b785654944743d9Peter Ujfalusi TWL6040_VIBENA); 79cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 80cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (status & TWL6040_VIBROCDET) { 81cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_warn(info->dev, "Right Vibrator overcurrent detected\n"); 82cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLR, 831e036f65329901a2432c92132b785654944743d9Peter Ujfalusi TWL6040_VIBENA); 84cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 85cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 86cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return IRQ_HANDLED; 87cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 88cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 89cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_enable(struct vibra_info *info) 90cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 91cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 92cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int ret; 93cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 94cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_bulk_enable(ARRAY_SIZE(info->supplies), info->supplies); 95cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 96cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "failed to enable regulators %d\n", ret); 97cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return; 98cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 99cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 100cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_power(info->twl6040, 1); 1017e968985cb82c011403432c2f2dbd18660780679Peter Ujfalusi if (twl6040_get_revid(twl6040) <= TWL6040_REV_ES1_1) { 102cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* 103cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * ERRATA: Disable overcurrent protection for at least 104cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 3ms when enabling vibrator drivers to avoid false 105cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * overcurrent detection 106cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz */ 107cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 1081e036f65329901a2432c92132b785654944743d9Peter Ujfalusi TWL6040_VIBENA | TWL6040_VIBCTRL); 109cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 1101e036f65329901a2432c92132b785654944743d9Peter Ujfalusi TWL6040_VIBENA | TWL6040_VIBCTRL); 111cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz usleep_range(3000, 3500); 112cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 113cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 114cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 1151e036f65329901a2432c92132b785654944743d9Peter Ujfalusi TWL6040_VIBENA); 116cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 1171e036f65329901a2432c92132b785654944743d9Peter Ujfalusi TWL6040_VIBENA); 118cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 119cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->enabled = true; 120cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 121cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 122cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_disable(struct vibra_info *info) 123cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 124cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 125cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 126cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 0x00); 127cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 0x00); 128cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_power(info->twl6040, 0); 129cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 130cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz regulator_bulk_disable(ARRAY_SIZE(info->supplies), info->supplies); 131cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 132cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->enabled = false; 133cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 134cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 135cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic u8 twl6040_vibra_code(int vddvib, int vibdrv_res, int motor_res, 136cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int speed, int direction) 137cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 138cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int vpk, max_code; 139cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz u8 vibdat; 140cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 141cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* output swing */ 142cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vpk = (vddvib * motor_res * TWL6040_VIBRA_MOD) / 143cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz (100 * (vibdrv_res + motor_res)); 144cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 145cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* 50mV per VIBDAT code step */ 146cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz max_code = vpk / 50; 147cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (max_code > TWL6040_VIBDAT_MAX) 148cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz max_code = TWL6040_VIBDAT_MAX; 149cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 150cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* scale speed to max allowed code */ 151cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdat = (u8)((speed * max_code) / USHRT_MAX); 152cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 153cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* 2's complement for direction > 180 degrees */ 154cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdat *= direction; 155cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 156cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return vibdat; 157cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 158cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 159cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_set_effect(struct vibra_info *info) 160cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 161cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 162cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz u8 vibdatl, vibdatr; 163cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int volt; 164cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 165cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* weak motor */ 166cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz volt = regulator_get_voltage(info->supplies[0].consumer) / 1000; 167cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdatl = twl6040_vibra_code(volt, info->vibldrv_res, 168cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->viblmotor_res, 169cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->weak_speed, info->direction); 170cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 171cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* strong motor */ 172cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz volt = regulator_get_voltage(info->supplies[1].consumer) / 1000; 173cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdatr = twl6040_vibra_code(volt, info->vibrdrv_res, 174cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->vibrmotor_res, 175cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->strong_speed, info->direction); 176cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 177cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBDATL, vibdatl); 178cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBDATR, vibdatr); 179cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 180cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 181cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void vibra_play_work(struct work_struct *work) 182cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 183cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = container_of(work, 184cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info, play_work); 185cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 186cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_lock(&info->mutex); 187cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 188cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->weak_speed || info->strong_speed) { 189cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!info->enabled) 190cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_enable(info); 191cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 192cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_set_effect(info); 193cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } else if (info->enabled) 194cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_disable(info); 195cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 196cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_unlock(&info->mutex); 197cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 198cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 199cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int vibra_play(struct input_dev *input, void *data, 200cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct ff_effect *effect) 201cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 202cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = input_get_drvdata(input); 203cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int ret; 204cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 2055f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi /* Do not allow effect, while the routing is set to use audio */ 2065f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi ret = twl6040_get_vibralr_status(info->twl6040); 2075f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi if (ret & TWL6040_VIBSEL) { 2085f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi dev_info(&input->dev, "Vibra is configured for audio\n"); 2095f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi return -EBUSY; 2105f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi } 2115f07c32e289d159be3fc1e4f257e8cad5336f83aPeter Ujfalusi 212cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->weak_speed = effect->u.rumble.weak_magnitude; 213cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->strong_speed = effect->u.rumble.strong_magnitude; 214cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1; 215cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 216cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = queue_work(info->workqueue, &info->play_work); 217cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!ret) { 218cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_info(&input->dev, "work is already on queue\n"); 219cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return ret; 220cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 221cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 222cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 223cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 224cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 225cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_close(struct input_dev *input) 226cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 227cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = input_get_drvdata(input); 228cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 229cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz cancel_work_sync(&info->play_work); 230cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 231cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_lock(&info->mutex); 232cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 233cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->enabled) 234cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_disable(info); 235cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 236cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_unlock(&info->mutex); 237cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 238cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 239b6b1e927cec6b472578402f07f5befa79a96818dRandy Dunlap#ifdef CONFIG_PM_SLEEP 240cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int twl6040_vibra_suspend(struct device *dev) 241cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 242cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct platform_device *pdev = to_platform_device(dev); 243cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = platform_get_drvdata(pdev); 244cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 245cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_lock(&info->mutex); 246cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 247cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->enabled) 248cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_disable(info); 249cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 250cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_unlock(&info->mutex); 251cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 252cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 253cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 254cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#endif 255cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 256cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL); 257cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 2585298cc4cc753bbe4c530b41341834f6ef3344d0dBill Pembertonstatic int twl6040_vibra_probe(struct platform_device *pdev) 259cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 2608eaeb9393397be8eb700ab38a69c450975463b77Peter Ujfalusi struct twl6040_vibra_data *pdata = pdev->dev.platform_data; 261e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi struct device *twl6040_core_dev = pdev->dev.parent; 262e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi struct device_node *twl6040_core_node = NULL; 263cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info; 2649ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi int vddvibl_uV = 0; 2659ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi int vddvibr_uV = 0; 266cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int ret; 267cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 268e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi#ifdef CONFIG_OF 269e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi twl6040_core_node = of_find_node_by_name(twl6040_core_dev->of_node, 270e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi "vibra"); 271e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi#endif 272e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi 273e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi if (!pdata && !twl6040_core_node) { 274cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(&pdev->dev, "platform_data not available\n"); 275cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return -EINVAL; 276cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 277cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 278b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); 279cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!info) { 280cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(&pdev->dev, "couldn't allocate memory\n"); 281cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return -ENOMEM; 282cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 283cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 284cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->dev = &pdev->dev; 2859ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi 286cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->twl6040 = dev_get_drvdata(pdev->dev.parent); 2879ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi if (pdata) { 2889ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi info->vibldrv_res = pdata->vibldrv_res; 2899ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi info->vibrdrv_res = pdata->vibrdrv_res; 2909ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi info->viblmotor_res = pdata->viblmotor_res; 2919ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi info->vibrmotor_res = pdata->vibrmotor_res; 2929ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi vddvibl_uV = pdata->vddvibl_uV; 2939ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi vddvibr_uV = pdata->vddvibr_uV; 2949ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi } else { 295e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vibldrv-res", 296e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi &info->vibldrv_res); 297e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vibrdrv-res", 298e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi &info->vibrdrv_res); 299e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,viblmotor-res", 3009ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi &info->viblmotor_res); 301e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vibrmotor-res", 3029ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi &info->vibrmotor_res); 303e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV", 304e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi &vddvibl_uV); 305e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV", 306e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi &vddvibr_uV); 3079ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi } 3089ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi 309cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if ((!info->vibldrv_res && !info->viblmotor_res) || 310cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz (!info->vibrdrv_res && !info->vibrmotor_res)) { 311cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "invalid vibra driver/motor resistance\n"); 312b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi return -EINVAL; 313cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 314cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 315625cbe46bc97a82dcd9254b5bc01c8520d78b227Peter Ujfalusi info->irq = platform_get_irq(pdev, 0); 316625cbe46bc97a82dcd9254b5bc01c8520d78b227Peter Ujfalusi if (info->irq < 0) { 317625cbe46bc97a82dcd9254b5bc01c8520d78b227Peter Ujfalusi dev_err(info->dev, "invalid irq\n"); 318b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi return -EINVAL; 319625cbe46bc97a82dcd9254b5bc01c8520d78b227Peter Ujfalusi } 320625cbe46bc97a82dcd9254b5bc01c8520d78b227Peter Ujfalusi 321cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_init(&info->mutex); 322cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 323b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, 324b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi twl6040_vib_irq_handler, 0, 325b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi "twl6040_irq_vib", info); 326cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 327cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "VIB IRQ request failed: %d\n", ret); 328b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi return ret; 329cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 330cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 331cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->supplies[0].supply = "vddvibl"; 332cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->supplies[1].supply = "vddvibr"; 333e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi /* 334e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi * When booted with Device tree the regulators are attached to the 335e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi * parent device (twl6040 MFD core) 336e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi */ 337e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi ret = regulator_bulk_get(pdata ? info->dev : twl6040_core_dev, 338e7ec014a47e4d68fc01561d0541a50650646317cPeter Ujfalusi ARRAY_SIZE(info->supplies), info->supplies); 339cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 340cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't get regulators %d\n", ret); 341b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi return ret; 342cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 343cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 3449ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi if (vddvibl_uV) { 345cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_set_voltage(info->supplies[0].consumer, 3469ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi vddvibl_uV, vddvibl_uV); 347cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 348cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "failed to set VDDVIBL volt %d\n", 349cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret); 350b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi goto err_regulator; 351cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 352cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 353cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 3549ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi if (vddvibr_uV) { 355cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_set_voltage(info->supplies[1].consumer, 3569ac7b1a36c729ce88eee7370da3c9992d7b40590Peter Ujfalusi vddvibr_uV, vddvibr_uV); 357cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 358cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "failed to set VDDVIBR volt %d\n", 359cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret); 360b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi goto err_regulator; 361cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 362cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 363cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 364cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->workqueue = alloc_workqueue("twl6040-vibra", 0, 0); 365cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->workqueue == NULL) { 366cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't create workqueue\n"); 367cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = -ENOMEM; 368b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi goto err_regulator; 369cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 370cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz INIT_WORK(&info->play_work, vibra_play_work); 371cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 372b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi info->input_dev = input_allocate_device(); 373b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi if (info->input_dev == NULL) { 374b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi dev_err(info->dev, "couldn't allocate input device\n"); 375b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi ret = -ENOMEM; 376b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi goto err_wq; 377b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi } 378b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi 379b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi input_set_drvdata(info->input_dev, info); 380b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi 381b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi info->input_dev->name = "twl6040:vibrator"; 382b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi info->input_dev->id.version = 1; 383b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi info->input_dev->dev.parent = pdev->dev.parent; 384b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi info->input_dev->close = twl6040_vibra_close; 385b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi __set_bit(FF_RUMBLE, info->input_dev->ffbit); 386b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi 387b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi ret = input_ff_create_memless(info->input_dev, NULL, vibra_play); 388b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi if (ret < 0) { 389b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi dev_err(info->dev, "couldn't register vibrator to FF\n"); 390b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi goto err_ialloc; 391b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi } 392b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi 393b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi ret = input_register_device(info->input_dev); 394b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi if (ret < 0) { 395b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi dev_err(info->dev, "couldn't register input device\n"); 396b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi goto err_iff; 397b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi } 398b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi 399b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi platform_set_drvdata(pdev, info); 400b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi 401cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 402cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 403cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_iff: 404b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi input_ff_destroy(info->input_dev); 405cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_ialloc: 406cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_free_device(info->input_dev); 407b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusierr_wq: 408b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi destroy_workqueue(info->workqueue); 409b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusierr_regulator: 410b2ebcc1be96ee6dd5481697b421447e5a3f61d76Peter Ujfalusi regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies); 411cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return ret; 412cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 413cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 414e2619cf78e19476bfd7ceaefa9eff0847529346eBill Pembertonstatic int twl6040_vibra_remove(struct platform_device *pdev) 415cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 416cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = platform_get_drvdata(pdev); 417cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 418cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_unregister_device(info->input_dev); 419cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies); 420cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz destroy_workqueue(info->workqueue); 421cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 422cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 423cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 424cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 425cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic struct platform_driver twl6040_vibra_driver = { 426cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .probe = twl6040_vibra_probe, 4271cb0aa88179b7a71c240529e9d781d7bbb43d2e8Bill Pemberton .remove = twl6040_vibra_remove, 428cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .driver = { 429cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .name = "twl6040-vibra", 430cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .owner = THIS_MODULE, 431cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .pm = &twl6040_vibra_pm_ops, 432cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz }, 433cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz}; 434840a746be2beddd2ada0e5ba772147316d071f25JJ Dingmodule_platform_driver(twl6040_vibra_driver); 435cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 436cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_ALIAS("platform:twl6040-vibra"); 437cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_DESCRIPTION("TWL6040 Vibra driver"); 438cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_LICENSE("GPL"); 439cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_AUTHOR("Jorge Eduardo Candelaria <jorge.candelaria@ti.com>"); 440cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); 441