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ACPI video: ignore BIOS initial backlight value for HP 1000 

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>
wifi-calibration
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"),
},
},
{}
};