[PATCH AUTOSEL 5.10 3/5] ACPI: video: Add backlight=native DMI quirk for Lenovo ThinkPad X131e (3371 AMD version)

Sasha Levin
2023-07-02T20:00:56Z

[ Upstream commit bd5d93df86a7ddf98a2a37e9c3751e3cb334a66c ]

Linux defaults to picking the non-working ACPI video backlight interface
on the Lenovo ThinkPad X131e (3371 AMD version).

Add a DMI quirk to pick the working native radeon_bl0 interface instead.

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 | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 872b5351f0d8f..b02d381e78483 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -332,6 +332,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "82BK"),
},
},
+ {
+ .callback = video_detect_force_native,
+ /* Lenovo ThinkPad X131e (3371 AMD version) */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "3371"),
+ },
+ },
{
.callback = video_detect_force_native,
/* Apple iMac11,3 */
--
2.39.2