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Commit 4500ca8e authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown
Browse files

ACPI: video: Don't call absent methods 



Signed-off-by: default avatarRyan May <rmay@ou.edu>
Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 40ffbfad

drivers/acpi/video.c

+10 −8
Original line number Diff line number Diff line
@@ -409,14 +409,16 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device, 
static int

acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)

{

	int status;

	int status = AE_OK;

	union acpi_object arg0 = { ACPI_TYPE_INTEGER };

	struct acpi_object_list args = { 1, &arg0 };





	arg0.integer.value = level;

	status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL);



	if (device->cap._BCM)

		status = acpi_evaluate_object(device->dev->handle, "_BCM",

					      &args, NULL);

	device->brightness->curr = level;

	printk(KERN_DEBUG "set_level status: %x\n", status);

	return status;

}
@@ -425,11 +427,11 @@ static int 
acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,

					unsigned long *level)

{

	int status;



	status = acpi_evaluate_integer(device->dev->handle, "_BQC", NULL, level);



	return status;

	if (device->cap._BQC)

		return acpi_evaluate_integer(device->dev->handle, "_BQC", NULL,

					     level);

	*level = device->brightness->curr;

	return AE_OK;

}



static int