diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-11-12 23:09:39 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-04 19:05:08 (GMT) |
| commit | 745f3d7b0ffdac2a327555fad22c7f8161e0db5d (patch) | |
| tree | 89c224f8efe7bc652f4e3f9c1342fd3abf78867d /drivers/video | |
| parent | 3abc0136db2c66b7606aebe2492efb6e09801c3d (diff) | |
| download | linux-fsl-qoriq-745f3d7b0ffdac2a327555fad22c7f8161e0db5d.tar.xz | |
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>
Diffstat (limited to 'drivers/video')
| -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 f7447f7..1d5aa48 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -206,8 +206,10 @@ 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); |