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Commit a85908dd authored by Milo(Woogyom) Kim's avatar Milo(Woogyom) Kim Committed by Bryan Wu
Browse files

leds-lp55xx: use lp55xx common init function - platform data 



 LP5521/5523 platform data functions are moved to lp55xx common driver.
 New init function, lp55xx_init_device() is created.

Signed-off-by: default avatarMilo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: default avatarBryan Wu <cooloney@gmail.com>
parent 632418bf

drivers/leds/leds-lp5521.c

+0 −14
Original line number Diff line number Diff line
@@ -719,23 +719,9 @@ static void lp5521_reset_device(struct lp5521_chip *chip) 
static void lp5521_deinit_device(struct lp5521_chip *chip);

static int lp5521_init_device(struct lp5521_chip *chip)

{

	struct lp5521_platform_data *pdata = chip->pdata;

	struct i2c_client *client = chip->client;

	int ret;



	if (pdata->setup_resources) {

		ret = pdata->setup_resources();

		if (ret < 0)

			return ret;

	}



	if (pdata->enable) {

		pdata->enable(0);

		usleep_range(1000, 2000); /* Keep enable down at least 1ms */

		pdata->enable(1);

		usleep_range(1000, 2000); /* 500us abs min. */

	}



	lp5521_reset_device(chip);



	usleep_range(10000, 20000); /*

drivers/leds/leds-lp5523.c

+0 −14
Original line number Diff line number Diff line
@@ -910,23 +910,9 @@ static void lp5523_reset_device(struct lp5523_chip *chip) 
static void lp5523_deinit_device(struct lp5523_chip *chip);

static int lp5523_init_device(struct lp5523_chip *chip)

{

	struct lp5523_platform_data *pdata = chip->pdata;

	struct i2c_client *client = chip->client;

	int ret;



	if (pdata->setup_resources) {

		ret = pdata->setup_resources();

		if (ret < 0)

			return ret;

	}



	if (pdata->enable) {

		pdata->enable(0);

		usleep_range(1000, 2000); /* Keep enable down at least 1ms */

		pdata->enable(1);

		usleep_range(1000, 2000); /* 500us abs min. */

	}



	lp5523_reset_device(chip);



	usleep_range(10000, 20000); /*

drivers/leds/leds-lp55xx-common.c

+34 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
 * Derived from leds-lp5521.c, leds-lp5523.c

 */



#include <linux/delay.h>

#include <linux/i2c.h>

#include <linux/leds.h>

#include <linux/module.h>
@@ -54,6 +55,39 @@ int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg, u8 mask, u8 val) 
}

EXPORT_SYMBOL_GPL(lp55xx_update_bits);



int lp55xx_init_device(struct lp55xx_chip *chip)

{

	struct lp55xx_platform_data *pdata;

	struct device *dev = &chip->cl->dev;

	int ret = 0;



	WARN_ON(!chip);



	pdata = chip->pdata;



	if (!pdata)

		return -EINVAL;



	if (pdata->setup_resources) {

		ret = pdata->setup_resources();

		if (ret < 0) {

			dev_err(dev, "setup resoure err: %d\n", ret);

			goto err;

		}

	}



	if (pdata->enable) {

		pdata->enable(0);

		usleep_range(1000, 2000); /* Keep enable down at least 1ms */

		pdata->enable(1);

		usleep_range(1000, 2000); /* 500us abs min. */

	}



err:

	return ret;

}

EXPORT_SYMBOL_GPL(lp55xx_init_device);



MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>");

MODULE_DESCRIPTION("LP55xx Common Driver");

MODULE_LICENSE("GPL");

drivers/leds/leds-lp55xx-common.h

+3 −0
Original line number Diff line number Diff line
@@ -58,4 +58,7 @@ extern int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val); 
extern int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg,

			u8 mask, u8 val);



/* common device init functions */

extern int lp55xx_init_device(struct lp55xx_chip *chip);



#endif /* _LEDS_LP55XX_COMMON_H */