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backlight: atmel-pwm-bl: fix gpio polarity in remove

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commit ad5066d4c2 upstream.

Make sure to honour gpio polarity also at remove so that the backlight is
actually disabled on boards with active-low enable pin.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-11-12 15:09:39 -08:00 • committed by Greg Kroah-Hartman
commit fe619f64b9
1 changed files with 4 additions and 2 deletions
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6
drivers/video/backlight/atmel-pwm-bl.c
View file

@ -207,8 +207,10 @@ static int atmel_pwm_bl_remove(struct platform_device *pdev)
{
struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev);
if (pwmbl->gpio_on != -1)
gpio_set_value(pwmbl->gpio_on, 0);
if (pwmbl->gpio_on != -1) {
gpio_set_value(pwmbl->gpio_on,
0 ^ pwmbl->pdata->on_active_low);
}
pwm_channel_disable(&pwmbl->pwmc);
pwm_channel_free(&pwmbl->pwmc);
backlight_device_unregister(pwmbl->bldev);