This is a note to let you know that I've just added the patch titled
backlight: atmel-pwm-bl: fix reported brightness
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-reported-brightness.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 <stable@xxxxxxxxxxxxxxx> know about it.
>From 185d91442550110db67a7dc794a32efcea455a36 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@xxxxxxxxx>
Date: Tue, 12 Nov 2013 15:09:38 -0800
Subject: backlight: atmel-pwm-bl: fix reported brightness
From: Johan Hovold <jhovold@xxxxxxxxx>
commit 185d91442550110db67a7dc794a32efcea455a36 upstream.
The driver supports 16-bit brightness values, but the value returned
from get_brightness was truncated to eight bits.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Cc: Jingoo Han <jg1.han@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/atmel-pwm-bl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -70,7 +70,7 @@ static int atmel_pwm_bl_set_intensity(st
static int atmel_pwm_bl_get_intensity(struct backlight_device *bd)
{
struct atmel_pwm_bl *pwmbl = bl_get_data(bd);
- u8 intensity;
+ u32 intensity;
if (pwmbl->pdata->pwm_active_low) {
intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) -
@@ -80,7 +80,7 @@ static int atmel_pwm_bl_get_intensity(st
pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
}
- return intensity;
+ return intensity & 0xffff;
}
static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl)
Patches currently in stable-queue which might be from jhovold@xxxxxxxxx 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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