Commit 9657a565 authored by Lan Tianyu's avatar Lan Tianyu Committed by Rafael J. Wysocki

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=60161Reported-and-tested-by: default avatarJan Hinnerk Stosch <janhinnerk.stosch@gmail.com>
Signed-off-by: default avatarLan Tianyu <tianyu.lan@intel.com>
Cc: 3.7+ <stable@vger.kernel.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 3c0fc071
......@@ -448,6 +448,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"),
},
},
{
.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",
......
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