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authorJohan Hovold <jhovold@gmail.com>2013-11-12 15:09:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:21 +0900
commitad5066d4c2b1d696749f8d7816357c23b648c4d3 (patch)
tree2746b58f70d4ff302c09f3be817b73107457c285 /drivers
parent185d91442550110db67a7dc794a32efcea455a36 (diff)
downloadlinux-ad5066d4c2b1d696749f8d7816357c23b648c4d3.tar.bz2
backlight: atmel-pwm-bl: fix gpio polarity in remove
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> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/backlight/atmel-pwm-bl.c6
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 0971a8e78fbd..e21beb6ad943 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -205,8 +205,10 @@ 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);