ACPI: video: Add backlight=native DMI quirk for HP Pavilion g6-1d80nr

The HP Pavilion g6-1d80nr predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.

Add a DMI quirk to use the native backlight interface which does
work properly.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 65cec7bb6d9615dace23df4c121d0fc5721e4e8e..447d792781e29ed9e60f74805e9b464d0a22a447 100644 (file)
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -618,6 +618,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
                DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
                },
        },
+       {
+        .callback = video_detect_force_native,
+        /* HP Pavilion g6-1d80nr / B4U19UA */
+        .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+               DMI_MATCH(DMI_PRODUCT_SKU, "B4U19UA"),
+               },
+       },
        {
         .callback = video_detect_force_native,
         /* Samsung N150P */