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Release 4.11 drivers/input/misc/drv260x.c

/*
 * DRV260X haptics driver family
 *
 * Author: Dan Murphy <dmurphy@ti.com>
 *
 * Copyright:   (C) 2014 Texas Instruments, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>

#include <dt-bindings/input/ti-drv260x.h>


#define DRV260X_STATUS		0x0

#define DRV260X_MODE		0x1

#define DRV260X_RT_PB_IN	0x2

#define DRV260X_LIB_SEL		0x3

#define DRV260X_WV_SEQ_1	0x4

#define DRV260X_WV_SEQ_2	0x5

#define DRV260X_WV_SEQ_3	0x6

#define DRV260X_WV_SEQ_4	0x7

#define DRV260X_WV_SEQ_5	0x8

#define DRV260X_WV_SEQ_6	0x9

#define DRV260X_WV_SEQ_7	0xa

#define DRV260X_WV_SEQ_8	0xb

#define DRV260X_GO				0xc

#define DRV260X_OVERDRIVE_OFF	0xd

#define DRV260X_SUSTAIN_P_OFF	0xe

#define DRV260X_SUSTAIN_N_OFF	0xf

#define DRV260X_BRAKE_OFF		0x10

#define DRV260X_A_TO_V_CTRL		0x11

#define DRV260X_A_TO_V_MIN_INPUT	0x12

#define DRV260X_A_TO_V_MAX_INPUT	0x13

#define DRV260X_A_TO_V_MIN_OUT	0x14

#define DRV260X_A_TO_V_MAX_OUT	0x15

#define DRV260X_RATED_VOLT		0x16

#define DRV260X_OD_CLAMP_VOLT	0x17

#define DRV260X_CAL_COMP		0x18

#define DRV260X_CAL_BACK_EMF	0x19

#define DRV260X_FEEDBACK_CTRL	0x1a

#define DRV260X_CTRL1			0x1b

#define DRV260X_CTRL2			0x1c

#define DRV260X_CTRL3			0x1d

#define DRV260X_CTRL4			0x1e

#define DRV260X_CTRL5			0x1f

#define DRV260X_LRA_LOOP_PERIOD	0x20

#define DRV260X_VBAT_MON		0x21

#define DRV260X_LRA_RES_PERIOD	0x22

#define DRV260X_MAX_REG			0x23


#define DRV260X_GO_BIT				0x01

/* Library Selection */

#define DRV260X_LIB_SEL_MASK		0x07

#define DRV260X_LIB_SEL_RAM			0x0

#define DRV260X_LIB_SEL_OD			0x1

#define DRV260X_LIB_SEL_40_60		0x2

#define DRV260X_LIB_SEL_60_80		0x3

#define DRV260X_LIB_SEL_100_140		0x4

#define DRV260X_LIB_SEL_140_PLUS	0x5


#define DRV260X_LIB_SEL_HIZ_MASK	0x10

#define DRV260X_LIB_SEL_HIZ_EN		0x01

#define DRV260X_LIB_SEL_HIZ_DIS		0

/* Mode register */

#define DRV260X_STANDBY				(1 << 6)

#define DRV260X_STANDBY_MASK		0x40

#define DRV260X_INTERNAL_TRIGGER	0x00

#define DRV260X_EXT_TRIGGER_EDGE	0x01

#define DRV260X_EXT_TRIGGER_LEVEL	0x02

#define DRV260X_PWM_ANALOG_IN		0x03

#define DRV260X_AUDIOHAPTIC			0x04

#define DRV260X_RT_PLAYBACK			0x05

#define DRV260X_DIAGNOSTICS			0x06

#define DRV260X_AUTO_CAL			0x07

/* Audio to Haptics Control */

#define DRV260X_AUDIO_HAPTICS_PEAK_10MS		(0 << 2)

#define DRV260X_AUDIO_HAPTICS_PEAK_20MS		(1 << 2)

#define DRV260X_AUDIO_HAPTICS_PEAK_30MS		(2 << 2)

#define DRV260X_AUDIO_HAPTICS_PEAK_40MS		(3 << 2)


#define DRV260X_AUDIO_HAPTICS_FILTER_100HZ	0x00

#define DRV260X_AUDIO_HAPTICS_FILTER_125HZ	0x01

#define DRV260X_AUDIO_HAPTICS_FILTER_150HZ	0x02

#define DRV260X_AUDIO_HAPTICS_FILTER_200HZ	0x03

/* Min/Max Input/Output Voltages */

#define DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT	0x19

#define DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT	0x64

#define DRV260X_AUDIO_HAPTICS_MIN_OUT_VOLT	0x19

#define DRV260X_AUDIO_HAPTICS_MAX_OUT_VOLT	0xFF

/* Feedback register */

#define DRV260X_FB_REG_ERM_MODE			0x7f

#define DRV260X_FB_REG_LRA_MODE			(1 << 7)


#define DRV260X_BRAKE_FACTOR_MASK	0x1f

#define DRV260X_BRAKE_FACTOR_2X		(1 << 0)

#define DRV260X_BRAKE_FACTOR_3X		(2 << 4)

#define DRV260X_BRAKE_FACTOR_4X		(3 << 4)

#define DRV260X_BRAKE_FACTOR_6X		(4 << 4)

#define DRV260X_BRAKE_FACTOR_8X		(5 << 4)

#define DRV260X_BRAKE_FACTOR_16		(6 << 4)

#define DRV260X_BRAKE_FACTOR_DIS	(7 << 4)


#define DRV260X_LOOP_GAIN_LOW		0xf3

#define DRV260X_LOOP_GAIN_MED		(1 << 2)

#define DRV260X_LOOP_GAIN_HIGH		(2 << 2)

#define DRV260X_LOOP_GAIN_VERY_HIGH	(3 << 2)


#define DRV260X_BEMF_GAIN_0			0xfc

#define DRV260X_BEMF_GAIN_1		(1 << 0)

#define DRV260X_BEMF_GAIN_2		(2 << 0)

#define DRV260X_BEMF_GAIN_3		(3 << 0)

/* Control 1 register */

#define DRV260X_AC_CPLE_EN			(1 << 5)

#define DRV260X_STARTUP_BOOST		(1 << 7)

/* Control 2 register */


#define DRV260X_IDISS_TIME_45		0

#define DRV260X_IDISS_TIME_75		(1 << 0)

#define DRV260X_IDISS_TIME_150		(1 << 1)

#define DRV260X_IDISS_TIME_225		0x03


#define DRV260X_BLANK_TIME_45	(0 << 2)

#define DRV260X_BLANK_TIME_75	(1 << 2)

#define DRV260X_BLANK_TIME_150	(2 << 2)

#define DRV260X_BLANK_TIME_225	(3 << 2)


#define DRV260X_SAMP_TIME_150	(0 << 4)

#define DRV260X_SAMP_TIME_200	(1 << 4)

#define DRV260X_SAMP_TIME_250	(2 << 4)

#define DRV260X_SAMP_TIME_300	(3 << 4)


#define DRV260X_BRAKE_STABILIZER	(1 << 6)

#define DRV260X_UNIDIR_IN			(0 << 7)

#define DRV260X_BIDIR_IN			(1 << 7)

/* Control 3 Register */

#define DRV260X_LRA_OPEN_LOOP		(1 << 0)

#define DRV260X_ANANLOG_IN			(1 << 1)

#define DRV260X_LRA_DRV_MODE		(1 << 2)

#define DRV260X_RTP_UNSIGNED_DATA	(1 << 3)

#define DRV260X_SUPPLY_COMP_DIS		(1 << 4)

#define DRV260X_ERM_OPEN_LOOP		(1 << 5)

#define DRV260X_NG_THRESH_0			(0 << 6)

#define DRV260X_NG_THRESH_2			(1 << 6)

#define DRV260X_NG_THRESH_4			(2 << 6)

#define DRV260X_NG_THRESH_8			(3 << 6)

/* Control 4 Register */

#define DRV260X_AUTOCAL_TIME_150MS		(0 << 4)

#define DRV260X_AUTOCAL_TIME_250MS		(1 << 4)

#define DRV260X_AUTOCAL_TIME_500MS		(2 << 4)

#define DRV260X_AUTOCAL_TIME_1000MS		(3 << 4)

/**
 * struct drv260x_data -
 * @input_dev - Pointer to the input device
 * @client - Pointer to the I2C client
 * @regmap - Register map of the device
 * @work - Work item used to off load the enable/disable of the vibration
 * @enable_gpio - Pointer to the gpio used for enable/disabling
 * @regulator - Pointer to the regulator for the IC
 * @magnitude - Magnitude of the vibration event
 * @mode - The operating mode of the IC (LRA_NO_CAL, ERM or LRA)
 * @library - The vibration library to be used
 * @rated_voltage - The rated_voltage of the actuator
 * @overdriver_voltage - The over drive voltage of the actuator
**/

struct drv260x_data {
	
struct input_dev *input_dev;
	
struct i2c_client *client;
	
struct regmap *regmap;
	
struct work_struct work;
	
struct gpio_desc *enable_gpio;
	
struct regulator *regulator;
	
u32 magnitude;
	
u32 mode;
	
u32 library;
	
int rated_voltage;
	
int overdrive_voltage;
};


static const struct reg_default drv260x_reg_defs[] = {
	{ DRV260X_STATUS, 0xe0 },
	{ DRV260X_MODE, 0x40 },
	{ DRV260X_RT_PB_IN, 0x00 },
	{ DRV260X_LIB_SEL, 0x00 },
	{ DRV260X_WV_SEQ_1, 0x01 },
	{ DRV260X_WV_SEQ_2, 0x00 },
	{ DRV260X_WV_SEQ_3, 0x00 },
	{ DRV260X_WV_SEQ_4, 0x00 },
	{ DRV260X_WV_SEQ_5, 0x00 },
	{ DRV260X_WV_SEQ_6, 0x00 },
	{ DRV260X_WV_SEQ_7, 0x00 },
	{ DRV260X_WV_SEQ_8, 0x00 },
	{ DRV260X_GO, 0x00 },
	{ DRV260X_OVERDRIVE_OFF, 0x00 },
	{ DRV260X_SUSTAIN_P_OFF, 0x00 },
	{ DRV260X_SUSTAIN_N_OFF, 0x00 },
	{ DRV260X_BRAKE_OFF, 0x00 },
	{ DRV260X_A_TO_V_CTRL, 0x05 },
	{ DRV260X_A_TO_V_MIN_INPUT, 0x19 },
	{ DRV260X_A_TO_V_MAX_INPUT, 0xff },
	{ DRV260X_A_TO_V_MIN_OUT, 0x19 },
	{ DRV260X_A_TO_V_MAX_OUT, 0xff },
	{ DRV260X_RATED_VOLT, 0x3e },
	{ DRV260X_OD_CLAMP_VOLT, 0x8c },
	{ DRV260X_CAL_COMP, 0x0c },
	{ DRV260X_CAL_BACK_EMF, 0x6c },
	{ DRV260X_FEEDBACK_CTRL, 0x36 },
	{ DRV260X_CTRL1, 0x93 },
	{ DRV260X_CTRL2, 0xfa },
	{ DRV260X_CTRL3, 0xa0 },
	{ DRV260X_CTRL4, 0x20 },
	{ DRV260X_CTRL5, 0x80 },
	{ DRV260X_LRA_LOOP_PERIOD, 0x33 },
	{ DRV260X_VBAT_MON, 0x00 },
	{ DRV260X_LRA_RES_PERIOD, 0x00 },
};


#define DRV260X_DEF_RATED_VOLT		0x90

#define DRV260X_DEF_OD_CLAMP_VOLT	0x90

/**
 * Rated and Overdriver Voltages:
 * Calculated using the formula r = v * 255 / 5.6
 * where r is what will be written to the register
 * and v is the rated or overdriver voltage of the actuator
 **/

static int drv260x_calculate_voltage(unsigned int voltage) { return (voltage * 255 / 5600); }

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static void drv260x_worker(struct work_struct *work) { struct drv260x_data *haptics = container_of(work, struct drv260x_data, work); int error; gpiod_set_value(haptics->enable_gpio, 1); /* Data sheet says to wait 250us before trying to communicate */ udelay(250); error = regmap_write(haptics->regmap, DRV260X_MODE, DRV260X_RT_PLAYBACK); if (error) { dev_err(&haptics->client->dev, "Failed to write set mode: %d\n", error); } else { error = regmap_write(haptics->regmap, DRV260X_RT_PB_IN, haptics->magnitude); if (error) dev_err(&haptics->client->dev, "Failed to set magnitude: %d\n", error); } }

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static int drv260x_haptics_play(struct input_dev *input, void *data, struct ff_effect *effect) { struct drv260x_data *haptics = input_get_drvdata(input); haptics->mode = DRV260X_LRA_NO_CAL_MODE; if (effect->u.rumble.strong_magnitude > 0) haptics->magnitude = effect->u.rumble.strong_magnitude; else if (effect->u.rumble.weak_magnitude > 0) haptics->magnitude = effect->u.rumble.weak_magnitude; else haptics->magnitude = 0; schedule_work(&haptics->work); return 0; }

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static void drv260x_close(struct input_dev *input) { struct drv260x_data *haptics = input_get_drvdata(input); int error; cancel_work_sync(&haptics->work); error = regmap_write(haptics->regmap, DRV260X_MODE, DRV260X_STANDBY); if (error) dev_err(&haptics->client->dev, "Failed to enter standby mode: %d\n", error); gpiod_set_value(haptics->enable_gpio, 0); }

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static const struct reg_sequence drv260x_lra_cal_regs[] = { { DRV260X_MODE, DRV260X_AUTO_CAL }, { DRV260X_CTRL3, DRV260X_NG_THRESH_2 }, { DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE | DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH }, }; static const struct reg_sequence drv260x_lra_init_regs[] = { { DRV260X_MODE, DRV260X_RT_PLAYBACK }, { DRV260X_A_TO_V_CTRL, DRV260X_AUDIO_HAPTICS_PEAK_20MS | DRV260X_AUDIO_HAPTICS_FILTER_125HZ }, { DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT }, { DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT }, { DRV260X_A_TO_V_MIN_OUT, DRV260X_AUDIO_HAPTICS_MIN_OUT_VOLT }, { DRV260X_A_TO_V_MAX_OUT, DRV260X_AUDIO_HAPTICS_MAX_OUT_VOLT }, { DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE | DRV260X_BRAKE_FACTOR_2X | DRV260X_LOOP_GAIN_MED | DRV260X_BEMF_GAIN_3 }, { DRV260X_CTRL1, DRV260X_STARTUP_BOOST }, { DRV260X_CTRL2, DRV260X_SAMP_TIME_250 }, { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_ANANLOG_IN }, { DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS }, }; static const struct reg_sequence drv260x_erm_cal_regs[] = { { DRV260X_MODE, DRV260X_AUTO_CAL }, { DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT }, { DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT }, { DRV260X_A_TO_V_MIN_OUT, DRV260X_AUDIO_HAPTICS_MIN_OUT_VOLT }, { DRV260X_A_TO_V_MAX_OUT, DRV260X_AUDIO_HAPTICS_MAX_OUT_VOLT }, { DRV260X_FEEDBACK_CTRL, DRV260X_BRAKE_FACTOR_3X | DRV260X_LOOP_GAIN_MED | DRV260X_BEMF_GAIN_2 }, { DRV260X_CTRL1, DRV260X_STARTUP_BOOST }, { DRV260X_CTRL2, DRV260X_SAMP_TIME_250 | DRV260X_BLANK_TIME_75 | DRV260X_IDISS_TIME_75 }, { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_ERM_OPEN_LOOP }, { DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS }, };
static int drv260x_init(struct drv260x_data *haptics) { int error; unsigned int cal_buf; error = regmap_write(haptics->regmap, DRV260X_RATED_VOLT, haptics->rated_voltage); if (error) { dev_err(&haptics->client->dev, "Failed to write DRV260X_RATED_VOLT register: %d\n", error); return error; } error = regmap_write(haptics->regmap, DRV260X_OD_CLAMP_VOLT, haptics->overdrive_voltage); if (error) { dev_err(&haptics->client->dev, "Failed to write DRV260X_OD_CLAMP_VOLT register: %d\n", error); return error; } switch (haptics->mode) { case DRV260X_LRA_MODE: error = regmap_register_patch(haptics->regmap, drv260x_lra_cal_regs, ARRAY_SIZE(drv260x_lra_cal_regs)); if (error) { dev_err(&haptics->client->dev, "Failed to write LRA calibration registers: %d\n", error); return error; } break; case DRV260X_ERM_MODE: error = regmap_register_patch(haptics->regmap, drv260x_erm_cal_regs, ARRAY_SIZE(drv260x_erm_cal_regs)); if (error) { dev_err(&haptics->client->dev, "Failed to write ERM calibration registers: %d\n", error); return error; } error = regmap_update_bits(haptics->regmap, DRV260X_LIB_SEL, DRV260X_LIB_SEL_MASK, haptics->library); if (error) { dev_err(&haptics->client->dev, "Failed to write DRV260X_LIB_SEL register: %d\n", error); return error; } break; default: error = regmap_register_patch(haptics->regmap, drv260x_lra_init_regs, ARRAY_SIZE(drv260x_lra_init_regs)); if (error) { dev_err(&haptics->client->dev, "Failed to write LRA init registers: %d\n", error); return error; } error = regmap_update_bits(haptics->regmap, DRV260X_LIB_SEL, DRV260X_LIB_SEL_MASK, haptics->library); if (error) { dev_err(&haptics->client->dev, "Failed to write DRV260X_LIB_SEL register: %d\n", error); return error; } /* No need to set GO bit here */ return 0; } error = regmap_write(haptics->regmap, DRV260X_GO, DRV260X_GO_BIT); if (error) { dev_err(&haptics->client->dev, "Failed to write GO register: %d\n", error); return error; } do { error = regmap_read(haptics->regmap, DRV260X_GO, &cal_buf); if (error) { dev_err(&haptics->client->dev, "Failed to read GO register: %d\n", error); return error; } } while (cal_buf == DRV260X_GO_BIT); return 0; }

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static const struct regmap_config drv260x_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = DRV260X_MAX_REG, .reg_defaults = drv260x_reg_defs, .num_reg_defaults = ARRAY_SIZE(drv260x_reg_defs), .cache_type = REGCACHE_NONE, };
static int drv260x_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; struct drv260x_data *haptics; u32 voltage; int error; haptics = devm_kzalloc(dev, sizeof(*haptics), GFP_KERNEL); if (!haptics) return -ENOMEM; error = device_property_read_u32(dev, "mode", &haptics->mode); if (error) { dev_err(dev, "Can't fetch 'mode' property: %d\n", error); return error; } if (haptics->mode < DRV260X_LRA_MODE || haptics->mode > DRV260X_ERM_MODE) { dev_err(dev, "Vibrator mode is invalid: %i\n", haptics->mode); return -EINVAL; } error = device_property_read_u32(dev, "library-sel", &haptics->library); if (error) { dev_err(dev, "Can't fetch 'library-sel' property: %d\n", error); return error; } if (haptics->library < DRV260X_LIB_EMPTY || haptics->library > DRV260X_ERM_LIB_F) { dev_err(dev, "Library value is invalid: %i\n", haptics->library); return -EINVAL; } if (haptics->mode == DRV260X_LRA_MODE && haptics->library != DRV260X_LIB_EMPTY && haptics->library != DRV260X_LIB_LRA) { dev_err(dev, "LRA Mode with ERM Library mismatch\n"); return -EINVAL; } if (haptics->mode == DRV260X_ERM_MODE && (haptics->library == DRV260X_LIB_EMPTY || haptics->library == DRV260X_LIB_LRA)) { dev_err(dev, "ERM Mode with LRA Library mismatch\n"); return -EINVAL; } error = device_property_read_u32(dev, "vib-rated-mv", &voltage); haptics->rated_voltage = error ? DRV260X_DEF_RATED_VOLT : drv260x_calculate_voltage(voltage); error = device_property_read_u32(dev, "vib-overdrive-mv", &voltage); haptics->overdrive_voltage = error ? DRV260X_DEF_OD_CLAMP_VOLT : drv260x_calculate_voltage(voltage); haptics->regulator = devm_regulator_get(dev, "vbat"); if (IS_ERR(haptics->regulator)) { error = PTR_ERR(haptics->regulator); dev_err(dev, "unable to get regulator, error: %d\n", error); return error; } haptics->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH); if (IS_ERR(haptics->enable_gpio)) return PTR_ERR(haptics->enable_gpio); haptics->input_dev = devm_input_allocate_device(dev); if (!haptics->input_dev) { dev_err(dev, "Failed to allocate input device\n"); return -ENOMEM; } haptics->input_dev->name = "drv260x:haptics"; haptics->input_dev->close = drv260x_close; input_set_drvdata(haptics->input_dev, haptics); input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE); error = input_ff_create_memless(haptics->input_dev, NULL, drv260x_haptics_play); if (error) { dev_err(dev, "input_ff_create() failed: %d\n", error); return error; } INIT_WORK(&haptics->work, drv260x_worker); haptics->client = client; i2c_set_clientdata(client, haptics); haptics->regmap = devm_regmap_init_i2c(client, &drv260x_regmap_config); if (IS_ERR(haptics->regmap)) { error = PTR_ERR(haptics->regmap); dev_err(dev, "Failed to allocate register map: %d\n", error); return error; } error = drv260x_init(haptics); if (error) { dev_err(dev, "Device init failed: %d\n", error); return error; } error = input_register_device(haptics->input_dev); if (error) { dev_err(dev, "couldn't register input device: %d\n", error); return error; } return 0; }

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static int __maybe_unused drv260x_suspend(struct device *dev) { struct drv260x_data *haptics = dev_get_drvdata(dev); int ret = 0; mutex_lock(&haptics->input_dev->mutex); if (haptics->input_dev->users) { ret = regmap_update_bits(haptics->regmap, DRV260X_MODE, DRV260X_STANDBY_MASK, DRV260X_STANDBY); if (ret) { dev_err(dev, "Failed to set standby mode\n"); goto out; } gpiod_set_value(haptics->enable_gpio, 0); ret = regulator_disable(haptics->regulator); if (ret) { dev_err(dev, "Failed to disable regulator\n"); regmap_update_bits(haptics->regmap, DRV260X_MODE, DRV260X_STANDBY_MASK, 0); } } out: mutex_unlock(&haptics->input_dev->mutex); return ret; }

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Jingoo Han10.73%150.00%
Total137100.00%2100.00%


static int __maybe_unused drv260x_resume(struct device *dev) { struct drv260x_data *haptics = dev_get_drvdata(dev); int ret = 0; mutex_lock(&haptics->input_dev->mutex); if (haptics->input_dev->users) { ret = regulator_enable(haptics->regulator); if (ret) { dev_err(dev, "Failed to enable regulator\n"); goto out; } ret = regmap_update_bits(haptics->regmap, DRV260X_MODE, DRV260X_STANDBY_MASK, 0); if (ret) { dev_err(dev, "Failed to unset standby mode\n"); regulator_disable(haptics->regulator); goto out; } gpiod_set_value(haptics->enable_gpio, 1); } out: mutex_unlock(&haptics->input_dev->mutex); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Dan Murphy13399.25%150.00%
Jingoo Han10.75%150.00%
Total134100.00%2100.00%

static SIMPLE_DEV_PM_OPS(drv260x_pm_ops, drv260x_suspend, drv260x_resume); static const struct i2c_device_id drv260x_id[] = { { "drv2605l", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, drv260x_id); #ifdef CONFIG_OF static const struct of_device_id drv260x_of_match[] = { { .compatible = "ti,drv2604", }, { .compatible = "ti,drv2604l", }, { .compatible = "ti,drv2605", }, { .compatible = "ti,drv2605l", }, { } }; MODULE_DEVICE_TABLE(of, drv260x_of_match); #endif static struct i2c_driver drv260x_driver = { .probe = drv260x_probe, .driver = { .name = "drv260x-haptics", .of_match_table = of_match_ptr(drv260x_of_match), .pm = &drv260x_pm_ops, }, .id_table = drv260x_id, }; module_i2c_driver(drv260x_driver); MODULE_DESCRIPTION("TI DRV260x haptics driver"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");

Overall Contributors

PersonTokensPropCommitsCommitProp
Dan Murphy262795.81%225.00%
Jingkui Wang953.46%112.50%
Dmitry Torokhov100.36%112.50%
Uwe Kleine-König40.15%112.50%
Nariman Poushin30.11%112.50%
Jingoo Han20.07%112.50%
Axel Lin10.04%112.50%
Total2742100.00%8100.00%
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