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backlight: atmel-pwm-bl: use gpio_request_one 

Use devm_gpio_request_one rather than requesting and setting direction
in two calls.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johan Hovold 2013-11-12 15:09:46 -08:00 committed by Linus Torvalds
parent 81b62db56d
commit 9b3521ee8f
1 changed files with 8 additions and 7 deletions
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15
drivers/video/backlight/atmel-pwm-bl.c
View File

@ -124,6 +124,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
const struct atmel_pwm_bl_platform_data *pdata;
struct backlight_device *bldev;
struct atmel_pwm_bl *pwmbl;
unsigned long flags;
int retval;
pdata = dev_get_platdata(&pdev->dev);
@ -149,14 +150,14 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
return retval;
if (gpio_is_valid(pwmbl->gpio_on)) {
retval = devm_gpio_request(&pdev->dev, pwmbl->gpio_on,
"gpio_atmel_pwm_bl");
if (retval)
goto err_free_pwm;
/* Turn display off by default. */
retval = gpio_direction_output(pwmbl->gpio_on,
0 ^ pdata->on_active_low);
if (pdata->on_active_low)
flags = GPIOF_OUT_INIT_HIGH;
else
flags = GPIOF_OUT_INIT_LOW;
retval = devm_gpio_request_one(&pdev->dev, pwmbl->gpio_on,
flags, "gpio_atmel_pwm_bl");
if (retval)
goto err_free_pwm;
}