From 7c0ea45be4f114d85ee35caeead8e1660699c46f Mon Sep 17 00:00:00 2001 From: Zhao Yakui Date: Tue, 11 Mar 2008 16:56:47 +0800 Subject: [PATCH] ACPI: Ignore _BQC object when registering backlight device According to acpi spec , the objects of _BCL and _BCM are required if integrated LCD is present and supports brightness level .The _BQC is the optional object. So the _BQC object is ignored when the backlight device is registered in ACPI video driver. http://bugzilla.kernel.org/show_bug.cgi?id=10206 Signed-off-by: Zhao Yakui Signed-off-by: Zhang Rui Signed-off-by: Len Brown --- drivers/acpi/video.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 12cce69b544..ace958cb389 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -713,7 +713,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(obj); - if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){ + if (device->cap._BCL && device->cap._BCM && max_level > 0) { int result; static int count = 0; char *name; -- 2.20.1