[PATCH] ACPI video: Ignore AE_AML_PACKAGE_LIMIT errors after _DOD evaluation.

From: Igor Murzov
Date: Tue Oct 09 2012 - 18:28:03 EST


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@xxxxxxx>
---
drivers/acpi/video.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 1e0a9e1..01bb58d 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1349,8 +1349,12 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
struct acpi_device *dev;

status = acpi_video_device_enumerate(video);
- if (status)
- return status;
+ if (status) {
+ if (status == AE_AML_PACKAGE_LIMIT)
+ status = 0; /* Ignore this error */
+ else
+ return status;
+ }

list_for_each_entry(dev, &device->children, node) {

--
1.7.12

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