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ACPI video: Ignore errors after _DOD evaluation.

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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>
This commit is contained in:
Igor Murzov 2012-10-13 04:41:25 +04:00 committed by Zhang Rui
parent 608f62b996
commit fba4e08736
1 changed files with 7 additions and 4 deletions
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11
drivers/acpi/video.c
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@ -1345,12 +1345,15 @@ static int
acpi_video_bus_get_devices(struct acpi_video_bus *video, acpi_video_bus_get_devices(struct acpi_video_bus *video,
struct acpi_device *device) struct acpi_device *device)
{ {
int status; int status = 0;
struct acpi_device *dev; struct acpi_device *dev;
status = acpi_video_device_enumerate(video); /*
if (status) * There are systems where video module known to work fine regardless
return status; * 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) { list_for_each_entry(dev, &device->children, node) {