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leds: leds-gpio: use gpio_request_one

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Using gpio_request_one can make the code simpler because it can
set the direction and initial value in one shot.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Jingoo Han 2012-10-23 05:17:11 -07:00 committed by Bryan Wu
parent 14ce82e536
commit a99d76f9eb
1 changed files with 5 additions and 7 deletions
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12
drivers/leds/leds-gpio.c
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@ -106,10 +106,6 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
return 0;
}
ret = gpio_request(template->gpio, template->name);
if (ret < 0)
return ret;
led_dat->cdev.name = template->name;
led_dat->cdev.default_trigger = template->default_trigger;
led_dat->gpio = template->gpio;
@ -129,10 +125,12 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
if (!template->retain_state_suspended)
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);
ret = gpio_request_one(template->gpio,
GPIOF_DIR_OUT | (led_dat->active_low ^ state),
template->name);
if (ret < 0)
goto err;
return ret;
INIT_WORK(&led_dat->work, gpio_led_work);
ret = led_classdev_register(parent, &led_dat->cdev);