From: Johan Hovold <jhovold@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/atmel-pwm-bl.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN drivers/video/backlight/atmel-pwm-bl.c~backlight-atmel-pwm-bl-fix-gpio-polarity-in-remove drivers/video/backlight/atmel-pwm-bl.c
--- a/drivers/video/backlight/atmel-pwm-bl.c~backlight-atmel-pwm-bl-fix-gpio-polarity-in-remove
+++ a/drivers/video/backlight/atmel-pwm-bl.c
@@ -205,8 +205,10 @@ static int atmel_pwm_bl_remove(struct pl
{
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);
_
--
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