[PATCH] acpi: video: fix reversed indexed BQC

Felipe Contreras
2013-08-01T23:37:38Z

Commit 1a7c618 (ACPI video: support _BQC/_BCL/_BCM methods that use
index values) assumed that bl->levels were not reverted, but at this
point they already are, so there's no need to revert them yet again.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
drivers/acpi/video.c | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 0ec434d..b27c049 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -499,19 +499,10 @@ acpi_video_bqc_value_to_level(struct acpi_video_device *device,
{
unsigned long long level;

- if (device->brightness->flags._BQC_use_index) {
- /*
- * _BQC returns an index that doesn't account for
- * the first 2 items with special meaning, so we need
- * to compensate for that by offsetting ourselves
- */
- if (device->brightness->flags._BCL_reversed)
- bqc_value = device->brightness->count - 3 - bqc_value;
-
+ if (device->brightness->flags._BQC_use_index)
level = device->brightness->levels[bqc_value + 2];
- } else {
+ else
level = bqc_value;
- }

level += bqc_offset_aml_bug_workaround;

--
1.8.3.4