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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 @@
#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