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| author | Lan Tianyu <tianyu.lan@intel.com> | 2013-07-16 10:07:21 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-07-18 21:43:41 +0200 |
| commit | 9657a565a476d517451c10b0bcc106e300785aff (patch) | |
| tree | b91f25b7cefd2aa73f8b19652d15861a9d0e485a /drivers | |
| parent | 3c0fc0710185e618a661528eed2183102e25c2f8 (diff) | |
| download | linux-9657a565a476d517451c10b0bcc106e300785aff.tar.bz2 | |
ACPI / video: ignore BIOS initial backlight value for Fujitsu E753
The BIOS of FUjitsu E753 reports an incorrect initial backlight value
for WIN8 compatible OS, causing backlight to be dark during startup.
This change causes the incorrect initial value from BIOS to be ignored.
References: https://bugzilla.kernel.org/show_bug.cgi?id=60161
Reported-and-tested-by: Jan Hinnerk Stosch <janhinnerk.stosch@gmail.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Cc: 3.7+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/video.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 5d7075d25700..e441876f5d5b 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -450,6 +450,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, { .callback = video_ignore_initial_backlight, + .ident = "Fujitsu E753", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E753"), + }, + }, + { + .callback = video_ignore_initial_backlight, .ident = "HP Pavilion dm4", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |