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ACPI: video: fix build for VIDEO_OUTPUT_CONTROL=n 

drivers/built-in.o: In function `acpi_video_bus_put_devices':
video.c:(.text+0x79663): undefined reference to
`video_output_unregister'
drivers/built-in.o: In function `acpi_video_bus_add':
video.c:(.text+0x7b0b3): undefined reference to `video_output_register'

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2010-11-30 18:21:46 -05:00
parent e8a7e48bb2
commit 3353bebe7c
1 changed files with 15 additions and 0 deletions
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15
include/linux/video_output.h
View File

@ -23,6 +23,7 @@
#ifndef _LINUX_VIDEO_OUTPUT_H
#define _LINUX_VIDEO_OUTPUT_H
#include <linux/device.h>
#include <linux/err.h>
struct output_device;
struct output_properties {
int (*set_state)(struct output_device *);
@ -34,9 +35,23 @@ struct output_device {
struct device dev;
};
#define to_output_device(obj) container_of(obj, struct output_device, dev)
#if defined(CONFIG_VIDEO_OUTPUT_CONTROL) || defined(CONFIG_VIDEO_OUTPUT_CONTROL_MODULE)
struct output_device *video_output_register(const char *name,
struct device *dev,
void *devdata,
struct output_properties *op);
void video_output_unregister(struct output_device *dev);
#else
static struct output_device *video_output_register(const char *name,
struct device *dev,
void *devdata,
struct output_properties *op)
{
return ERR_PTR(-ENODEV);
}
static void video_output_unregister(struct output_device *dev)
{
return;
}
#endif
#endif