diff mbox series

[v4,22/23] media: v4l: subdev: Add trivial set_routing support

Message ID 20230922142239.259425-23-sakari.ailus@linux.intel.com
State New
Headers show
Series Generic line based metadata support, internal pads | expand

Commit Message

Sakari Ailus Sept. 22, 2023, 2:22 p.m. UTC 
Add trivial S_ROUTING IOCTL support for drivers where routing is static.
Essentially this means returning the same information G_ROUTING call would
have done.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/v4l2-core/v4l2-subdev.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 7871ec8a66d1..2b3bfc4bc1e1 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -894,6 +894,9 @@  static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg,
 		struct v4l2_subdev_krouting krouting = {};
 		unsigned int i;
 
+		if (!v4l2_subdev_has_op(sd, pad, set_routing))
+			goto do_vidioc_subdev_g_routing;
+
 		if (!v4l2_subdev_enable_streams_api)
 			return -ENOIOCTLCMD;
 
@@ -941,6 +944,7 @@  static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg,
 			return rval;
 	}
 		fallthrough;
+do_vidioc_subdev_g_routing:
 
 	case VIDIOC_SUBDEV_G_ROUTING: {
 		struct v4l2_subdev_routing *routing = arg;