From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH 3/4] acpi-video: Disable native_backlight on HP ENVY 15 Notebook PC Date: Thu, 28 Aug 2014 10:20:47 +0200 Message-ID: <1409214048-7331-3-git-send-email-hdegoede@redhat.com> References: <1409214048-7331-1-git-send-email-hdegoede@redhat.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:28509 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934221AbaH1IVH (ORCPT ); Thu, 28 Aug 2014 04:21:07 -0400 In-Reply-To: <1409214048-7331-1-git-send-email-hdegoede@redhat.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Rafael J. Wysocki" Cc: Aaron Lu , Zhang Rui , Len Brown , =?UTF-8?q?Andre=20M=C3=BCller?= , Hohahiu , linux-acpi@vger.kernel.org, Hans de Goede , stable@vger.kernel.org.#.3.16 https://bugs.freedesktop.org/show_bug.cgi?id=81515 Reported-and-tested-by: Hohahiu Cc: stable@vger.kernel.org # 3.16 Signed-off-by: Hans de Goede --- drivers/acpi/video.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index dd5c302..fcbda10 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -750,6 +750,17 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"), }, }, + + /* The native backlight controls do not work on some older machines */ + { + /* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */ + .callback = video_disable_native_backlight, + .ident = "HP ENVY 15 Notebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"), + }, + }, {} }; -- 2.1.0