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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>
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@ -719,23 +719,9 @@ static void lp5521_reset_device(struct lp5521_chip *chip)
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static void lp5521_deinit_device(struct lp5521_chip *chip);
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static int lp5521_init_device(struct lp5521_chip *chip)
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{
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struct lp5521_platform_data *pdata = chip->pdata;
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struct i2c_client *client = chip->client;
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int ret;
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if (pdata->setup_resources) {
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ret = pdata->setup_resources();
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if (ret < 0)
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return ret;
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}
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if (pdata->enable) {
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pdata->enable(0);
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usleep_range(1000, 2000); /* Keep enable down at least 1ms */
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pdata->enable(1);
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usleep_range(1000, 2000); /* 500us abs min. */
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}
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lp5521_reset_device(chip);
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usleep_range(10000, 20000); /*
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@ -910,23 +910,9 @@ static void lp5523_reset_device(struct lp5523_chip *chip)
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static void lp5523_deinit_device(struct lp5523_chip *chip);
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static int lp5523_init_device(struct lp5523_chip *chip)
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{
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struct lp5523_platform_data *pdata = chip->pdata;
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struct i2c_client *client = chip->client;
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int ret;
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if (pdata->setup_resources) {
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ret = pdata->setup_resources();
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if (ret < 0)
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return ret;
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}
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if (pdata->enable) {
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pdata->enable(0);
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usleep_range(1000, 2000); /* Keep enable down at least 1ms */
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pdata->enable(1);
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usleep_range(1000, 2000); /* 500us abs min. */
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}
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lp5523_reset_device(chip);
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usleep_range(10000, 20000); /*
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@ -12,6 +12,7 @@
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* Derived from leds-lp5521.c, leds-lp5523.c
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*/
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/leds.h>
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#include <linux/module.h>
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@ -54,6 +55,39 @@ int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg, u8 mask, u8 val)
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}
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EXPORT_SYMBOL_GPL(lp55xx_update_bits);
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int lp55xx_init_device(struct lp55xx_chip *chip)
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{
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struct lp55xx_platform_data *pdata;
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struct device *dev = &chip->cl->dev;
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int ret = 0;
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WARN_ON(!chip);
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pdata = chip->pdata;
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if (!pdata)
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return -EINVAL;
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if (pdata->setup_resources) {
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ret = pdata->setup_resources();
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if (ret < 0) {
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dev_err(dev, "setup resoure err: %d\n", ret);
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goto err;
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}
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}
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if (pdata->enable) {
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pdata->enable(0);
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usleep_range(1000, 2000); /* Keep enable down at least 1ms */
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pdata->enable(1);
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usleep_range(1000, 2000); /* 500us abs min. */
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}
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err:
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return ret;
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}
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EXPORT_SYMBOL_GPL(lp55xx_init_device);
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MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>");
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MODULE_DESCRIPTION("LP55xx Common Driver");
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MODULE_LICENSE("GPL");
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@ -58,4 +58,7 @@ extern int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val);
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extern int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg,
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u8 mask, u8 val);
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/* common device init functions */
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extern int lp55xx_init_device(struct lp55xx_chip *chip);
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#endif /* _LEDS_LP55XX_COMMON_H */
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