This is a note to let you know that I've just added the patch titled
ACPI video: Ignore errors after _DOD evaluation.
to the 3.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
acpi-video-ignore-errors-after-_dod-evaluation.patch
and it can be found in the queue-3.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From fba4e087361605d1eed63343bb08811f097c83ee Mon Sep 17 00:00:00 2001
From: Igor Murzov <[email protected]>
Date: Sat, 13 Oct 2012 04:41:25 +0400
Subject: ACPI video: Ignore errors after _DOD evaluation.
From: Igor Murzov <[email protected]>
commit fba4e087361605d1eed63343bb08811f097c83ee upstream.
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 <[email protected]>
Reviewed-by: Sergey V <[email protected]>
Signed-off-by: Zhang Rui <[email protected]>
Signed-off-by: Abdallah Chatila <[email protected]>
---
drivers/acpi/video.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
--- 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) {
Patches currently in stable-queue which might be from [email protected] are
queue-3.6/acpi-video-ignore-errors-after-_dod-evaluation.patch
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