From: Hans de Goede Date: Thu, 14 Jul 2022 19:16:11 +0000 (+0200) Subject: ACPI: video: Use native backlight on Dell Inspiron N4010 X-Git-Tag: for-5.20/block-2022-08-04~144^2^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=03c440a26cba6cfa540d65924e9db86fcea362b2;p=linux-block.git ACPI: video: Use native backlight on Dell Inspiron N4010 The Dell Inspiron N4010 does not have ACPI backlight control, so acpi_video_get_backlight_type()'s heuristics return vendor as the type to use. But the vendor interface is broken, where as the native (intel_backlight) works well, add a quirk to use native. Link: https://lore.kernel.org/regressions/CALF=6jEe5G8+r1Wo0vvz4GjNQQhdkLT5p8uCHn6ZXhg4nsOWow@mail.gmail.com/ Reported-and-tested-by: Ben Greening Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 6615f59ab7fd..5d7f38016a24 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -347,6 +347,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro12,1"), }, }, + { + .callback = video_detect_force_native, + /* Dell Inspiron N4010 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron N4010"), + }, + }, { .callback = video_detect_force_native, /* Dell Vostro V131 */