From a11d342fb89aedec5003d116e7427d43cbba714d Mon Sep 17 00:00:00 2001 From: Stepan Bujnak Date: Wed, 10 Sep 2014 17:44:43 +0200 Subject: [PATCH] ACPI / video: force vendor backlight on Lenovo Ideapad Z570 Lenovo Ideapad 570 is a pre-win8 laptop where not using vendor backlight causes the backlight controls not to work. Signed-off-by: Stepan Bujnak Signed-off-by: Rafael J. Wysocki --- drivers/acpi/video_detect.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index c42feb2bacd0..27c43499977a 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -174,6 +174,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Lenovo IdeaPad Z570", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Ideapad Z570"), + }, + }, { }, }; -- 2.39.2