From: Hans de Goede hdegoede@redhat.com
[ Upstream commit d77596d432cc4142520af32b5388d512e52e0edb ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/acpi/video_detect.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 1db8e68cd8bc..c20fc7ddca2f 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -608,6 +608,15 @@ 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 */