From: Zhang Rui rui.zhang@intel.com
[ Upstream commit aefa763b18a220f5fc1d5ab02af09158b6cc36ea ]
On Sony Vaio VPCEH3U1E, ACPI backlight control does not work, and native backlight works. Thus force use vendor backlight control on this system.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=202401 Signed-off-by: Zhang Rui rui.zhang@intel.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 8c5503c0bad7c..3fc828e086b1e 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -135,6 +135,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Sony VPCEH3U1E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"), + }, + },
/* * These models have a working acpi_video backlight control, and using