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author | Johan Hovold <jhovold@gmail.com> | 2013-11-12 15:09:39 -0800 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2014-01-03 04:33:21 +0000 |
commit | fa01206912e5bc7c48e0a89d0da820062b018854 (patch) | |
tree | 603bd078334a46953dcf86c7cba952a563b28c98 /drivers/video | |
parent | 281f5afc26c7d7604685c8c1d686154f3354a5d1 (diff) | |
download | kernel_samsung_smdk4412-fa01206912e5bc7c48e0a89d0da820062b018854.zip kernel_samsung_smdk4412-fa01206912e5bc7c48e0a89d0da820062b018854.tar.gz kernel_samsung_smdk4412-fa01206912e5bc7c48e0a89d0da820062b018854.tar.bz2 |
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>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/backlight/atmel-pwm-bl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 4d2bbd8..dab3a0c 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -211,7 +211,8 @@ static int __exit 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); + gpio_set_value(pwmbl->gpio_on, + 0 ^ pwmbl->pdata->on_active_low); gpio_free(pwmbl->gpio_on); } pwm_channel_disable(&pwmbl->pwmc); |