From: Jingoo Han Date: Fri, 8 Mar 2013 02:37:38 +0000 (-0800) Subject: leds: leds-lt3593: set devm_gpio_request_one() flags param correctly X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84f6942cde279e812c59eed456d1f43a39ca6c40;p=linux-beck.git leds: leds-lt3593: set devm_gpio_request_one() flags param correctly The devm_gpio_request_one() flags parameter was set to: GPIOF_DIR_OUT | state GPIOF_DIR_OUT and GPIOF_DIR_IN are defined as below: GPIOF_DIR_OUT (0 << 0) GPIOF_DIR_IN (1 << 0) So, when 'state' is 1, the gpio pin can be set as input, instead of output. To prevent this problem, GPIOF_OUT_INIT flags should be used when using devm_gpio_request_one(). Signed-off-by: Jingoo Han Signed-off-by: Bryan Wu --- diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c index c9b9e1fec587..ca48a7d5502d 100644 --- a/drivers/leds/leds-lt3593.c +++ b/drivers/leds/leds-lt3593.c @@ -106,8 +106,9 @@ static int create_lt3593_led(const struct gpio_led *template, if (!template->retain_state_suspended) led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; - ret = devm_gpio_request_one(parent, template->gpio, - GPIOF_DIR_OUT | state, template->name); + ret = devm_gpio_request_one(parent, template->gpio, state ? + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, + template->name); if (ret < 0) return ret;