diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-11-12 15:09:39 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-04 10:55:47 -0800 |
| commit | fe619f64b93df39d3d6f4b60cd9fa3474e61ce5f (patch) | |
| tree | f5468ee11827a2f97b59d8100c6ac73c670b24e6 | |
| parent | 368289b373137db191a35ed9e6865e42ff7d0263 (diff) | |
backlight: atmel-pwm-bl: fix gpio polarity in remove
commit ad5066d4c2b1d696749f8d7816357c23b648c4d3 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>
| -rw-r--r-- | drivers/video/backlight/atmel-pwm-bl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 30e4ed52d701..6d2edeb85ac2 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -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); |