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-rw-r--r--include/linux/video_output.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/video_output.h b/include/linux/video_output.h
index 2fb46bc9340d..ed5cdeb3604d 100644
--- a/include/linux/video_output.h
+++ b/include/linux/video_output.h
@@ -23,6 +23,7 @@
23#ifndef _LINUX_VIDEO_OUTPUT_H 23#ifndef _LINUX_VIDEO_OUTPUT_H
24#define _LINUX_VIDEO_OUTPUT_H 24#define _LINUX_VIDEO_OUTPUT_H
25#include <linux/device.h> 25#include <linux/device.h>
26#include <linux/err.h>
26struct output_device; 27struct output_device;
27struct output_properties { 28struct output_properties {
28 int (*set_state)(struct output_device *); 29 int (*set_state)(struct output_device *);
@@ -34,9 +35,23 @@ struct output_device {
34 struct device dev; 35 struct device dev;
35}; 36};
36#define to_output_device(obj) container_of(obj, struct output_device, dev) 37#define to_output_device(obj) container_of(obj, struct output_device, dev)
38#if defined(CONFIG_VIDEO_OUTPUT_CONTROL) || defined(CONFIG_VIDEO_OUTPUT_CONTROL_MODULE)
37struct output_device *video_output_register(const char *name, 39struct output_device *video_output_register(const char *name,
38 struct device *dev, 40 struct device *dev,
39 void *devdata, 41 void *devdata,
40 struct output_properties *op); 42 struct output_properties *op);
41void video_output_unregister(struct output_device *dev); 43void video_output_unregister(struct output_device *dev);
44#else
45static struct output_device *video_output_register(const char *name,
46 struct device *dev,
47 void *devdata,
48 struct output_properties *op)
49{
50 return ERR_PTR(-ENODEV);
51}
52static void video_output_unregister(struct output_device *dev)
53{
54 return;
55}
56#endif
42#endif 57#endif