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| author | Igor Murzov <e-mail@date.by> | 2012-10-13 04:41:25 +0400 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2012-11-03 09:52:54 +0800 |
| commit | fba4e087361605d1eed63343bb08811f097c83ee (patch) | |
| tree | 2390b3c95ef0a5ce1620c356734a262c232e3737 | |
| parent | 608f62b996c6e140ff7515abe75305aed4726b33 (diff) | |
| download | linux-stable-fba4e087361605d1eed63343bb08811f097c83ee.tar.gz linux-stable-fba4e087361605d1eed63343bb08811f097c83ee.tar.bz2 linux-stable-fba4e087361605d1eed63343bb08811f097c83ee.zip | |
ACPI video: Ignore errors after _DOD evaluation.
There are systems where video module known to work fine regardless
of broken _DOD and ignoring returned value here doesn't cause
any issues later. This should fix brightness controls on some laptops.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47861
Signed-off-by: Igor Murzov <e-mail@date.by>
Reviewed-by: Sergey V <sftp.mtuci@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
| -rw-r--r-- | drivers/acpi/video.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index f94d4c818fc7..0230cb6cbb3a 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1345,12 +1345,15 @@ static int acpi_video_bus_get_devices(struct acpi_video_bus *video, struct acpi_device *device) { - int status; + int status = 0; struct acpi_device *dev; - status = acpi_video_device_enumerate(video); - if (status) - return status; + /* + * There are systems where video module known to work fine regardless + * of broken _DOD and ignoring returned value here doesn't cause + * any issues later. + */ + acpi_video_device_enumerate(video); list_for_each_entry(dev, &device->children, node) { |