OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ACPI / video: ignore BIOS initial backlight value for HP Pavilion g6 

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@programmer.net>
Cc: All <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Ash Willis 2013-05-29 01:27:59 +00:00 committed by Rafael J. Wysocki
parent fedbe9bc6f
commit 780a6ec640
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/acpi/video.c
View File

@ -456,6 +456,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
},
},
{
.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 1000 Notebook PC",