From 2e2e6d8cacbc80f2da0ce8f1afca5ed24020b331 Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Mon, 15 Nov 2021 16:32:20 +0100 Subject: video: Add video_is_active function Add the helper function video_is_active() to test if one video device is active. This function can be used in board code to execute operation only when the display is probed / really used. Signed-off-by: Patrick Delaunay Reviewed-by: Patrice Chotard --- drivers/video/video-uclass.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers') 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); -- cgit v1.2.3