diff options
author | Gustavo Maciel Dias Vieira <gustavo@sagui.org> | 2013-03-04 10:23:37 -0500 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-03-24 18:01:46 -0400 |
commit | 771d09b3c4c45d4d534a83a68e6331b97fd82e15 (patch) | |
tree | 08533a2bf27a326e2ebb06e69b117856a5f27c8d /drivers/acpi/video.c | |
parent | 8bb9660418e05bb1845ac1a2428444d78e322cc7 (diff) |
ACPI video: ignore BIOS backlight value for HP dm4
On a HP Pavilion dm4 laptop the BIOS sets minimum backlight on boot,
completely dimming the screen. Ignore this initial value for this
machine.
Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/video.c')
-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 313f959413dc..f8a28b39b88a 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c | |||
@@ -447,6 +447,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { | |||
447 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"), | 447 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"), |
448 | }, | 448 | }, |
449 | }, | 449 | }, |
450 | { | ||
451 | .callback = video_ignore_initial_backlight, | ||
452 | .ident = "HP Pavilion dm4", | ||
453 | .matches = { | ||
454 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), | ||
455 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"), | ||
456 | }, | ||
457 | }, | ||
450 | {} | 458 | {} |
451 | }; | 459 | }; |
452 | 460 | ||