[PATCH 1/3] ACPI: video: use native backlight for GA401/GA502/GA503

From: Luke D. Jones
Date: Mon Apr 19 2021 - 03:40:00 EST


From: Luke D Jones <luke@xxxxxxxxxx>

Force backlight control in these models to use the native interface
at /sys/class/backlight/amdgpu_bl0.

Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>
---
drivers/acpi/video_detect.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 811d298637cb..bae08bd98817 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -384,6 +384,30 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
},
},
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA401",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA502",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA503",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
+ },
+ },

/*
* Desktops which falsely report a backlight and which our heuristics
--
2.31.1