twl6040-vibra.c revision cc697d38392c92b7504e7719c65ae905f0a0618a
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> 30cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/workqueue.h> 31cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/i2c/twl.h> 32cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/mfd/twl6040.h> 33cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/slab.h> 34cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/delay.h> 35cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#include <linux/regulator/consumer.h> 36cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 37cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#define EFFECT_DIR_180_DEG 0x8000 38cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 39cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz/* Recommended modulation index 85% */ 40cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#define TWL6040_VIBRA_MOD 85 41cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 42cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#define TWL6040_NUM_SUPPLIES 2 43cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 44cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstruct vibra_info { 45cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct device *dev; 46cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct input_dev *input_dev; 47cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct workqueue_struct *workqueue; 48cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct work_struct play_work; 49cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct mutex mutex; 50cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 51cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz bool enabled; 52cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int weak_speed; 53cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int strong_speed; 54cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int direction; 55cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 56cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int vibldrv_res; 57cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int vibrdrv_res; 58cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int viblmotor_res; 59cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz unsigned int vibrmotor_res; 60cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 61cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct regulator_bulk_data supplies[TWL6040_NUM_SUPPLIES]; 62cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 63cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040; 64cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz}; 65cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 66cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic irqreturn_t twl6040_vib_irq_handler(int irq, void *data) 67cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 68cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = data; 69cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 70cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz u8 status; 71cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 72cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); 73cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (status & TWL6040_VIBLOCDET) { 74cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_warn(info->dev, "Left Vibrator overcurrent detected\n"); 75cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLL, 76cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz TWL6040_VIBENAL); 77cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 78cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (status & TWL6040_VIBROCDET) { 79cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_warn(info->dev, "Right Vibrator overcurrent detected\n"); 80cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLR, 81cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz TWL6040_VIBENAR); 82cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 83cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 84cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return IRQ_HANDLED; 85cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 86cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 87cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_enable(struct vibra_info *info) 88cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 89cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 90cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int ret; 91cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 92cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_bulk_enable(ARRAY_SIZE(info->supplies), info->supplies); 93cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 94cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "failed to enable regulators %d\n", ret); 95cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return; 96cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 97cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 98cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_power(info->twl6040, 1); 99cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (twl6040->rev <= TWL6040_REV_ES1_1) { 100cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* 101cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * ERRATA: Disable overcurrent protection for at least 102cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * 3ms when enabling vibrator drivers to avoid false 103cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz * overcurrent detection 104cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz */ 105cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 106cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz TWL6040_VIBENAL | TWL6040_VIBCTRLL); 107cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 108cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz TWL6040_VIBENAR | TWL6040_VIBCTRLR); 109cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz usleep_range(3000, 3500); 110cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 111cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 112cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 113cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz TWL6040_VIBENAL); 114cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 115cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz TWL6040_VIBENAR); 116cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 117cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->enabled = true; 118cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 119cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 120cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_disable(struct vibra_info *info) 121cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 122cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 123cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 124cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 0x00); 125cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 0x00); 126cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_power(info->twl6040, 0); 127cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 128cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz regulator_bulk_disable(ARRAY_SIZE(info->supplies), info->supplies); 129cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 130cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->enabled = false; 131cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 132cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 133cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic u8 twl6040_vibra_code(int vddvib, int vibdrv_res, int motor_res, 134cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int speed, int direction) 135cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 136cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int vpk, max_code; 137cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz u8 vibdat; 138cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 139cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* output swing */ 140cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vpk = (vddvib * motor_res * TWL6040_VIBRA_MOD) / 141cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz (100 * (vibdrv_res + motor_res)); 142cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 143cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* 50mV per VIBDAT code step */ 144cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz max_code = vpk / 50; 145cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (max_code > TWL6040_VIBDAT_MAX) 146cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz max_code = TWL6040_VIBDAT_MAX; 147cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 148cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* scale speed to max allowed code */ 149cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdat = (u8)((speed * max_code) / USHRT_MAX); 150cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 151cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* 2's complement for direction > 180 degrees */ 152cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdat *= direction; 153cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 154cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return vibdat; 155cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 156cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 157cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_set_effect(struct vibra_info *info) 158cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 159cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 160cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz u8 vibdatl, vibdatr; 161cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int volt; 162cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 163cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* weak motor */ 164cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz volt = regulator_get_voltage(info->supplies[0].consumer) / 1000; 165cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdatl = twl6040_vibra_code(volt, info->vibldrv_res, 166cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->viblmotor_res, 167cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->weak_speed, info->direction); 168cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 169cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz /* strong motor */ 170cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz volt = regulator_get_voltage(info->supplies[1].consumer) / 1000; 171cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz vibdatr = twl6040_vibra_code(volt, info->vibrdrv_res, 172cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->vibrmotor_res, 173cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->strong_speed, info->direction); 174cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 175cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBDATL, vibdatl); 176cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBDATR, vibdatr); 177cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 178cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 179cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void vibra_play_work(struct work_struct *work) 180cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 181cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = container_of(work, 182cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info, play_work); 183cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 184cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_lock(&info->mutex); 185cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 186cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->weak_speed || info->strong_speed) { 187cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!info->enabled) 188cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_enable(info); 189cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 190cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_set_effect(info); 191cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } else if (info->enabled) 192cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_disable(info); 193cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 194cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_unlock(&info->mutex); 195cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 196cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 197cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int vibra_play(struct input_dev *input, void *data, 198cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct ff_effect *effect) 199cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 200cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = input_get_drvdata(input); 201cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int ret; 202cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 203cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->weak_speed = effect->u.rumble.weak_magnitude; 204cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->strong_speed = effect->u.rumble.strong_magnitude; 205cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1; 206cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 207cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = queue_work(info->workqueue, &info->play_work); 208cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!ret) { 209cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_info(&input->dev, "work is already on queue\n"); 210cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return ret; 211cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 212cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 213cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 214cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 215cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 216cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void twl6040_vibra_close(struct input_dev *input) 217cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 218cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = input_get_drvdata(input); 219cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 220cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz cancel_work_sync(&info->play_work); 221cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 222cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_lock(&info->mutex); 223cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 224cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->enabled) 225cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_disable(info); 226cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 227cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_unlock(&info->mutex); 228cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 229cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 230cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#if CONFIG_PM_SLEEP 231cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int twl6040_vibra_suspend(struct device *dev) 232cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 233cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct platform_device *pdev = to_platform_device(dev); 234cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = platform_get_drvdata(pdev); 235cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 236cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_lock(&info->mutex); 237cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 238cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->enabled) 239cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vibra_disable(info); 240cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 241cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_unlock(&info->mutex); 242cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 243cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 244cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 245cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 246cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz#endif 247cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 248cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL); 249cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 250cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int __devinit twl6040_vibra_probe(struct platform_device *pdev) 251cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 252cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct twl4030_vibra_data *pdata = pdev->dev.platform_data; 253cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info; 254cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz int ret; 255cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 256cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!pdata) { 257cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(&pdev->dev, "platform_data not available\n"); 258cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return -EINVAL; 259cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 260cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 261cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info = kzalloc(sizeof(*info), GFP_KERNEL); 262cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (!info) { 263cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(&pdev->dev, "couldn't allocate memory\n"); 264cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return -ENOMEM; 265cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 266cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 267cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->dev = &pdev->dev; 268cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->twl6040 = dev_get_drvdata(pdev->dev.parent); 269cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->vibldrv_res = pdata->vibldrv_res; 270cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->vibrdrv_res = pdata->vibrdrv_res; 271cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->viblmotor_res = pdata->viblmotor_res; 272cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->vibrmotor_res = pdata->vibrmotor_res; 273cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if ((!info->vibldrv_res && !info->viblmotor_res) || 274cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz (!info->vibrdrv_res && !info->vibrmotor_res)) { 275cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "invalid vibra driver/motor resistance\n"); 276cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = -EINVAL; 277cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_kzalloc; 278cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 279cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 280cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz mutex_init(&info->mutex); 281cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 282cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->input_dev = input_allocate_device(); 283cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->input_dev == NULL) { 284cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't allocate input device\n"); 285cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = -ENOMEM; 286cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_kzalloc; 287cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 288cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 289cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_set_drvdata(info->input_dev, info); 290cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 291cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->input_dev->name = "twl6040:vibrator"; 292cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->input_dev->id.version = 1; 293cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->input_dev->dev.parent = pdev->dev.parent; 294cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->input_dev->close = twl6040_vibra_close; 295cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz __set_bit(FF_RUMBLE, info->input_dev->ffbit); 296cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 297cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = input_ff_create_memless(info->input_dev, NULL, vibra_play); 298cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret < 0) { 299cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't register vibrator to FF\n"); 300cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_ialloc; 301cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 302cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 303cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = input_register_device(info->input_dev); 304cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret < 0) { 305cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't register input device\n"); 306cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_iff; 307cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 308cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 309cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz platform_set_drvdata(pdev, info); 310cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 311cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = twl6040_request_irq(info->twl6040, TWL6040_IRQ_VIB, 312cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_vib_irq_handler, 0, 313cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz "twl6040_irq_vib", info); 314cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 315cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "VIB IRQ request failed: %d\n", ret); 316cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_irq; 317cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 318cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 319cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->supplies[0].supply = "vddvibl"; 320cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->supplies[1].supply = "vddvibr"; 321cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_bulk_get(info->dev, ARRAY_SIZE(info->supplies), 322cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->supplies); 323cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 324cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't get regulators %d\n", ret); 325cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_regulator; 326cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 327cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 328cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (pdata->vddvibl_uV) { 329cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_set_voltage(info->supplies[0].consumer, 330cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz pdata->vddvibl_uV, 331cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz pdata->vddvibl_uV); 332cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 333cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "failed to set VDDVIBL volt %d\n", 334cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret); 335cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_voltage; 336cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 337cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 338cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 339cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (pdata->vddvibr_uV) { 340cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = regulator_set_voltage(info->supplies[1].consumer, 341cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz pdata->vddvibr_uV, 342cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz pdata->vddvibr_uV); 343cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (ret) { 344cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "failed to set VDDVIBR volt %d\n", 345cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret); 346cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_voltage; 347cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 348cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 349cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 350cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->workqueue = alloc_workqueue("twl6040-vibra", 0, 0); 351cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->workqueue == NULL) { 352cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz dev_err(info->dev, "couldn't create workqueue\n"); 353cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz ret = -ENOMEM; 354cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz goto err_voltage; 355cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz } 356cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz INIT_WORK(&info->play_work, vibra_play_work); 357cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 358cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 359cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 360cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_voltage: 361cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies); 362cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_regulator: 363cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_free_irq(info->twl6040, TWL6040_IRQ_VIB, info); 364cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_irq: 365cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_unregister_device(info->input_dev); 366cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz info->input_dev = NULL; 367cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_iff: 368cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz if (info->input_dev) 369cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_ff_destroy(info->input_dev); 370cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_ialloc: 371cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_free_device(info->input_dev); 372cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzerr_kzalloc: 373cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz kfree(info); 374cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return ret; 375cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 376cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 377cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int __devexit twl6040_vibra_remove(struct platform_device *pdev) 378cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 379cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz struct vibra_info *info = platform_get_drvdata(pdev); 380cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 381cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz input_unregister_device(info->input_dev); 382cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz twl6040_free_irq(info->twl6040, TWL6040_IRQ_VIB, info); 383cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies); 384cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz destroy_workqueue(info->workqueue); 385cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz kfree(info); 386cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 387cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return 0; 388cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 389cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 390cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic struct platform_driver twl6040_vibra_driver = { 391cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .probe = twl6040_vibra_probe, 392cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .remove = __devexit_p(twl6040_vibra_remove), 393cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .driver = { 394cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .name = "twl6040-vibra", 395cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .owner = THIS_MODULE, 396cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz .pm = &twl6040_vibra_pm_ops, 397cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz }, 398cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz}; 399cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 400cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic int __init twl6040_vibra_init(void) 401cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 402cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz return platform_driver_register(&twl6040_vibra_driver); 403cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 404cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzmodule_init(twl6040_vibra_init); 405cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 406cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzstatic void __exit twl6040_vibra_exit(void) 407cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz{ 408cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz platform_driver_unregister(&twl6040_vibra_driver); 409cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz} 410cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruzmodule_exit(twl6040_vibra_exit); 411cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez Cruz 412cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_ALIAS("platform:twl6040-vibra"); 413cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_DESCRIPTION("TWL6040 Vibra driver"); 414cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_LICENSE("GPL"); 415cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_AUTHOR("Jorge Eduardo Candelaria <jorge.candelaria@ti.com>"); 416cc697d38392c92b7504e7719c65ae905f0a0618aMisael Lopez CruzMODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); 417