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ACPI video: ignore BIOS initial backlight value for HP 1000

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On HP 1000 lapops, BIOS reports minimum backlight on boot and
causes backlight to dim completely. This ignores the initial backlight
values and set to max brightness.

References:: https://bugs.launchpad.net/bugs/1167760
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Alex Hung 2013-05-06 08:23:43 +00:00 committed by Rafael J. Wysocki
parent 36200af867
commit 4ef366c583
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/video.c
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@ -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 1000 Notebook PC",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
},
},
{}
};