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-rw-r--r--drivers/video/video-uclass.c14
-rw-r--r--include/video.h7
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 9f8cf6ef2a9..43ebb3c5653 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -228,6 +228,20 @@ void video_sync_all(void)
}
}
+bool video_is_active(void)
+{
+ struct udevice *dev;
+
+ for (uclass_find_first_device(UCLASS_VIDEO, &dev);
+ dev;
+ uclass_find_next_device(&dev)) {
+ if (device_active(dev))
+ return true;
+ }
+
+ return false;
+}
+
int video_get_xsize(struct udevice *dev)
{
struct video_priv *priv = dev_get_uclass_priv(dev);
diff --git a/include/video.h b/include/video.h
index f14fb15f84f..5ac1387a395 100644
--- a/include/video.h
+++ b/include/video.h
@@ -276,6 +276,13 @@ static inline int video_sync_copy_all(struct udevice *dev)
#endif
+/**
+ * video_is_active() - Test if one video device it active
+ *
+ * @return true if at least one video device is active, else false.
+ */
+bool video_is_active(void);
+
#ifndef CONFIG_DM_VIDEO
/* Video functions */