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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: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
hifive-unleashed-5.1
Milo(Woogyom) Kim 2013-02-05 18:07:20 +09:00 committed by Bryan Wu
parent 632418bf65
commit a85908dd77
4 changed files with 37 additions and 28 deletions
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14
drivers/leds/leds-lp5521.c
View File

@ -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); /*

14
drivers/leds/leds-lp5523.c
View File

@ -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
drivers/leds/leds-lp55xx-common.c
View File

@ -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
drivers/leds/leds-lp55xx-common.h
View File

@ -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 */