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| author | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 11:19:18 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 11:19:18 +0100 |
| commit | ba9341dfef6b0201cd30e3904dcd0a47d3dc35e0 (patch) | |
| tree | d83637979db83bb9d5a23e190148b90b60c976d2 /drivers/acpi/video.c | |
| parent | d39e82db73eb876c60d00f00219d767b3be30307 (diff) | |
| parent | f167e1d073278fe231bbdd5d6c24fb9d091aa544 (diff) | |
| download | linux-next-ba9341dfef6b0201cd30e3904dcd0a47d3dc35e0.tar.gz | |
Merge branch 'fixes' into devel
Diffstat (limited to 'drivers/acpi/video.c')
| -rw-r--r-- | drivers/acpi/video.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 05dff631591c..72e76b4b6538 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -999,8 +999,10 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) sprintf(name, "acpi_video%d", count++); device->backlight = backlight_device_register(name, NULL, device, &acpi_backlight_ops); - device->backlight->props.max_brightness = device->brightness->count-3; kfree(name); + if (IS_ERR(device->backlight)) + return; + device->backlight->props.max_brightness = device->brightness->count-3; result = sysfs_create_link(&device->backlight->dev.kobj, &device->dev->dev.kobj, "device"); @@ -1979,6 +1981,10 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event) unsigned long long level_current, level_next; int result = -EINVAL; + /* no warning message if acpi_backlight=vendor is used */ + if (!acpi_video_backlight_support()) + return 0; + if (!device->brightness) goto out; |