diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/video_detect.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 50e3d2dbf3af..09737275e25f 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c | |||
| @@ -55,6 +55,9 @@ acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context, | |||
| 55 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found generic backlight " | 55 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found generic backlight " |
| 56 | "support\n")); | 56 | "support\n")); |
| 57 | *cap |= ACPI_VIDEO_BACKLIGHT; | 57 | *cap |= ACPI_VIDEO_BACKLIGHT; |
| 58 | if (ACPI_FAILURE(acpi_get_handle(handle, "_BQC", &h_dummy))) | ||
| 59 | printk(KERN_WARNING FW_BUG PREFIX "ACPI brightness " | ||
| 60 | "control misses _BQC function\n"); | ||
| 58 | /* We have backlight support, no need to scan further */ | 61 | /* We have backlight support, no need to scan further */ |
| 59 | return AE_CTRL_TERMINATE; | 62 | return AE_CTRL_TERMINATE; |
| 60 | } | 63 | } |