This is a note to let you know that I've just added the patch titled
ACPI / video: ignore BIOS initial backlight value for HP Pavilion g6
to the 3.9-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:
acpi-video-ignore-bios-initial-backlight-value-for-hp-pavilion-g6.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 780a6ec640a3fed671fc2c40e4dd30c03eca3ac3 Mon Sep 17 00:00:00 2001
From: Ash Willis <ashwillis.kernel@xxxxxxxxx>
Date: Wed, 29 May 2013 01:27:59 +0000
Subject: ACPI / video: ignore BIOS initial backlight value for HP Pavilion g6
From: Ash Willis <ashwillis.kernel@xxxxxxxxx>
commit 780a6ec640a3fed671fc2c40e4dd30c03eca3ac3 upstream.
This patch addresses kernel bug 56661. BIOS reports an incorrect
backlight value, causing the driver to switch off the backlight
completely during startup. This patch ignores the incorrect value from
BIOS.
References: https://bugzilla.kernel.org/show_bug.cgi?id=56661
Signed-off-by: Ash Willis <ashwillis@xxxxxxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/acpi/video.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -449,6 +449,14 @@ static struct dmi_system_id video_dmi_ta
},
{
.callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion g6 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
.ident = "HP Pavilion m4",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
Patches currently in stable-queue which might be from ashwillis.kernel@xxxxxxxxx are
queue-3.9/acpi-video-ignore-bios-initial-backlight-value-for-hp-pavilion-g6.patch
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