ACPI: allow drivers to request both device and system notify events

[pandora-kernel.git] / drivers / acpi / video_detect.c

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 50e3d2d..0973727 100644 (file)
--- 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,
                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found generic backlight "
                                  "support\n"));
                *cap |= ACPI_VIDEO_BACKLIGHT;
+               if (ACPI_FAILURE(acpi_get_handle(handle, "_BQC", &h_dummy)))
+                       printk(KERN_WARNING FW_BUG PREFIX "ACPI brightness "
+                                       "control misses _BQC function\n");
                /* We have backlight support, no need to scan further */
                return AE_CTRL_TERMINATE;
        }