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
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+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); /*
+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); /*
+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");
+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 */