Messages in this thread Patch in this message | | | From | Johan Hovold <> | Subject | [PATCH v3 2/9] backlight: atmel-pwm-bl: fix gpio polarity in remove | Date | Thu, 31 Oct 2013 18:57:37 +0100 |
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Make sure to honour gpio polarity also at remove so that the backlight is actually disabled on boards with active-low enable pin.
Cc: stable@vger.kernel.org Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Johan Hovold <jhovold@gmail.com> --- drivers/video/backlight/atmel-pwm-bl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 0971a8e..e21beb6 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); -- 1.8.4.2
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