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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-22 23:31:38 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-22 23:39:02 +0200 |
| commit | 168cf0eca45b86014b8c2a17fcb0673ab1af809b (patch) | |
| tree | f6e94567aa5c37f46256d12eba032d036d639408 | |
| parent | b36f4be3de1b123d8601de062e7dbfc904f305fb (diff) | |
| download | linux-stable-168cf0eca45b86014b8c2a17fcb0673ab1af809b.tar.gz linux-stable-168cf0eca45b86014b8c2a17fcb0673ab1af809b.tar.bz2 linux-stable-168cf0eca45b86014b8c2a17fcb0673ab1af809b.zip | |
Revert "ACPI / video: Always call acpi_video_init_brightness() on init"
Revert commit c04c697 (ACPI / video: Always call acpi_video_init_brightness()
on init), because it breaks eDP backlight at 1920x1080 on Acer Aspire S3
for Trevor Bortins.
References: https://bugs.freedesktop.org/show_bug.cgi?id=68355
Reported-and-bisected-by: Trevor Bortins <enabfluw@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/video.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index e1284b8dc6ee..3270d3c8ba4e 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -908,9 +908,6 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->cap._DDC = 1; } - if (acpi_video_init_brightness(device)) - return; - if (acpi_video_backlight_support()) { struct backlight_properties props; struct pci_dev *pdev; @@ -920,6 +917,9 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) static int count = 0; char *name; + result = acpi_video_init_brightness(device); + if (result) + return; name = kasprintf(GFP_KERNEL, "acpi_video%d", count); if (!name) return; @@ -979,11 +979,6 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) if (result) printk(KERN_ERR PREFIX "Create sysfs link\n"); - } else { - /* Remove the brightness object. */ - kfree(device->brightness->levels); - kfree(device->brightness); - device->brightness = NULL; } } |