From e76a322af16ba7be9b303239352e140209bf3822 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Sat, 22 Sep 2012 14:40:14 +0800 Subject: leds: lm3642: Use regmap_update_bits() in lm3642_chip_init() Use regmap_update_bits() to replace regmap_read() + regmap_write(). With this patch, we only show the error message when regmap_update_bits() fails. Signed-off-by: Axel Lin Acked-by: G.Shark Jeong Signed-off-by: Bryan Wu --- drivers/leds/leds-lm3642.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) (limited to 'drivers/leds/leds-lm3642.c') diff --git a/drivers/leds/leds-lm3642.c b/drivers/leds/leds-lm3642.c index 924853b7922c..3285006e9888 100644 --- a/drivers/leds/leds-lm3642.c +++ b/drivers/leds/leds-lm3642.c @@ -95,23 +95,14 @@ struct lm3642_chip_data { /* chip initialize */ static int __devinit lm3642_chip_init(struct lm3642_chip_data *chip) { - unsigned int reg_val; int ret; struct lm3642_platform_data *pdata = chip->pdata; /* set enable register */ - ret = regmap_read(chip->regmap, REG_ENABLE, ®_val); + ret = regmap_update_bits(chip->regmap, REG_ENABLE, EX_PIN_ENABLE_MASK, + pdata->tx_pin); if (ret < 0) - goto out; - - reg_val &= (~EX_PIN_ENABLE_MASK); - reg_val |= pdata->tx_pin; - ret = regmap_write(chip->regmap, REG_ENABLE, reg_val); - if (ret < 0) - goto out; - -out: - dev_err(chip->dev, "Failed to read REG_ENABLE Register\n"); + dev_err(chip->dev, "Failed to update REG_ENABLE Register\n"); return ret; } -- cgit v1.2.1