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| author | Aaron Lu <aaron.lu@intel.com> | 2015-12-30 13:11:24 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-01 03:14:57 +0100 |
| commit | 49eb5208220a9eef7529decbdefd95e4b94a928b (patch) | |
| tree | 84df310b3e181a0b4a4c960dca38ca5f21a0ee6a /drivers/acpi | |
| parent | 4b4b3b20e8e645be103cf737827372f86479867a (diff) | |
| download | linux-49eb5208220a9eef7529decbdefd95e4b94a928b.tar.gz linux-49eb5208220a9eef7529decbdefd95e4b94a928b.tar.bz2 linux-49eb5208220a9eef7529decbdefd95e4b94a928b.zip | |
ACPI / video: Add a quirk to force acpi-video backlight on SAMSUNG 530U4E/540U4E
The native interface on SAMSUNG 530U4E/540U4E doesn't work even though
the firmware claims Win8 compatible while the acpi_video interface
works, add a quirk for this.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=108971
Reported-and-tested-by: adam bk <adamdd55@gmail.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/video_detect.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 8fe2682380e9..90e2d54be526 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -250,6 +250,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"), }, }, + { + /* https://bugzilla.kernel.org/show_bug.cgi?id=108971 */ + .callback = video_detect_force_video, + .ident = "SAMSUNG 530U4E/540U4E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"), + }, + }, /* Non win8 machines which need native backlight nevertheless */ { |