From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH] acpi-video: Add use native backlight quirk for the ThinkPad W530 Date: Mon, 12 May 2014 09:57:12 +0200 Message-ID: <1399881432-26124-1-git-send-email-hdegoede@redhat.com> Return-path: Sender: stable-owner@vger.kernel.org To: Zhang Rui , "Rafael J. Wysocki" , Len Brown Cc: Aaron Lu , linux-acpi@vger.kernel.org, Hans de Goede , stable@vger.kernel.org List-Id: linux-acpi@vger.kernel.org Like all of the other *30 ThinkPad models, the W530 has a broken acpi-video backlight control. Note in order for this to actually fix things on the ThinkPad W530 the commit titled: "nouveau: Don't check acpi_video_backlight_support() before registering backlight" is also needed. https://bugzilla.redhat.com/show_bug.cgi?id=1093171 Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede --- drivers/acpi/video.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 34198b2..6a2099d 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -520,6 +520,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, }, { + .callback = video_set_use_native_backlight, + .ident = "ThinkPad W530", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W530"), + }, + }, + { .callback = video_set_use_native_backlight, .ident = "ThinkPad X1 Carbon", .matches = { -- 1.9.0