ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
authorHans de Goede <hdegoede@redhat.com>
Thu, 28 Aug 2014 08:20:47 +0000 (10:20 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 1 Sep 2014 23:55:23 +0000 (01:55 +0200)
Link: https://bugs.freedesktop.org/show_bug.cgi?id=81515
Reported-and-tested-by: Hohahiu <rakothedin@gmail.com>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/video.c

index dd5c302..fcbda10 100644 (file)
@@ -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"),
+               },
+       },
        {}
 };