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backlight: pwm-backlight: Use devm_gpiod_get_optional() 

Make use of the new devm_gpiod_get_optional() to simplify the probe
code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
hifive-unleashed-5.1
Alexandre Courbot 2014-06-25 18:18:18 +09:00 committed by Lee Jones
parent 1e3b097012
commit ff9c5422d8
1 changed files with 2 additions and 5 deletions
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7
drivers/video/backlight/pwm_bl.c
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@ -239,13 +239,10 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->dev = &pdev->dev;
pb->enabled = false;
pb->enable_gpio = devm_gpiod_get(&pdev->dev, "enable");
pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable");
if (IS_ERR(pb->enable_gpio)) {
ret = PTR_ERR(pb->enable_gpio);
if (ret == -ENOENT)
pb->enable_gpio = NULL;
else
goto err_alloc;
goto err_alloc;
}
/*