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"), + }, + }, {} }; -- 1.7.7 -- 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
