This is a note to let you know that I've just added the patch titled
backlight: atmel-pwm-bl: fix gpio polarity in remove
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
backlight-atmel-pwm-bl-fix-gpio-polarity-in-remove.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From ad5066d4c2b1d696749f8d7816357c23b648c4d3 Mon Sep 17 00:00:00 2001
From: Johan Hovold <[email protected]>
Date: Tue, 12 Nov 2013 15:09:39 -0800
Subject: backlight: atmel-pwm-bl: fix gpio polarity in remove
From: Johan Hovold <[email protected]>
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 <[email protected]>
Acked-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/video/backlight/atmel-pwm-bl.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -207,8 +207,10 @@ 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);
backlight_device_unregister(pwmbl->bldev);
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/backlight-atmel-pwm-bl-fix-reported-brightness.patch
queue-3.10/arm-at91-fix-hanged-boot-due-to-early-rtc-interrupt.patch
queue-3.10/backlight-atmel-pwm-bl-fix-gpio-polarity-in-remove.patch
queue-3.10/arm-at91-fix-hanged-boot-due-to-early-rtt-interrupt.patch
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