Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , "Rafael J. Wysocki" Subject: [PATCH 3.16 105/158] ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC Date: Mon, 15 Sep 2014 12:25:44 -0700 Message-Id: <20140915192546.031089150@linuxfoundation.org> In-Reply-To: <20140915192542.872134685@linuxfoundation.org> References: <20140915192542.872134685@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede commit 84c34858a85ecf9dabd72847d860c7d3fb7536e7 upstream. Link: https://bugs.freedesktop.org/show_bug.cgi?id=81515 Reported-and-tested-by: Hohahiu Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/video.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -675,6 +675,17 @@ static struct dmi_system_id video_dmi_ta 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"), + }, + }, {} };