On 2013年07月18日 06:35, Rafael J. Wysocki wrote: > On Tuesday, July 16, 2013 10:07:21 AM tianyu.lan@xxxxxxxxx wrote: >> From: Lan Tianyu <tianyu.lan@xxxxxxxxx> >> >> The BIOS of FUjitsu E753 reports an incorrect initial backlight value >> for WIN8 compatible OS, causing backlight dark during startup. This >> patch ignores the incorrect initial value from BIOS. >> >> Reference:https://bugzilla.kernel.org/show_bug.cgi?id=60161 >> Reported-and-tested-by: Jan Hinnerk Stosch <janhinnerk.stosch@xxxxxxxxx> >> Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> > > Queued up as a fix for 3.11. > > What's the oldest mainline kernel release this patch is applicable to? This should be backport to 3.7+ kernel. Cc: <stable@xxxxxxxxxxxxxxx> # 3.7+ > > Rafael > > >> --- >> drivers/acpi/video.c | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c >> index 5d7075d..e441876 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"), >> -- Best regards Tianyu Lan -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html