於 三,2012-04-18 於 17:01 +0800,Lee, Chun-Yi 提到: > From: "Lee, Chun-Yi" <jlee@xxxxxxxx> > > Acer Extensa 5235 laptop have broken _BCM implemenation, the AML > code wrote value to EC register but firmware didn't change brighenss. > > Fortunately, the brightness control works on those machines with vendor mode. > So, add this machine to video backlight vendor mode quirk table. > > Reference: bko#42833 > https://bugzilla.kernel.org/show_bug.cgi?id=42833 > > Cc: Bence Lukacs <lukacs.bence1@xxxxxxxxx> > Cc: Carlos Corbacho <carlos@xxxxxxxxxxxxxxxxxxx> > Cc: Matthew Garrett <mjg@xxxxxxxxxx> > Cc: Dmitry Torokhov <dtor@xxxxxxx> > Cc: Corentin Chary <corentincj@xxxxxxxxxx> > Cc: Thomas Renninger <trenn@xxxxxxx> > Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxx> > --- > drivers/platform/x86/acer-wmi.c | 8 ++++++++ > 1 files changed, 8 insertions(+), 0 deletions(-) > > diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c > index c1a3fd8..c2a237f 100644 > --- a/drivers/platform/x86/acer-wmi.c > +++ b/drivers/platform/x86/acer-wmi.c > @@ -523,6 +523,14 @@ static const struct dmi_system_id video_vendor_dmi_table[] = { > DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"), > }, > }, > + { > + .callback = video_set_backlight_video_vendor, > + .ident = "Acer Extensa 5235", > + .matches = { > + DMI_MATCH(DMI_BOARD_VENDOR, "Acer"), > + DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"), > + }, > + }, > {} > }; > Collected more issue machines need add to quirk table. I just re-sent patch: [PATCH] acer-wmi: add 3 laptops to video backlight vendor mode quirk table Thanks Joey Lee -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html