File excl_caps_always_capture.patch of Package v4l2loopback

--- v4l2loopback.c	2025-02-06 19:17:41.000000000 +1100
+++ v4l2loopbackb.c	2025-02-17 15:32:31.959393062 +1100
@@ -895,7 +895,7 @@
 		if (opener->io_method == V4L2L_IO_TIMEOUT ||
 		    (has_output_token(dev->stream_tokens) &&
 		     !dev->keep_format)) {
-			capabilities |= V4L2_CAP_VIDEO_OUTPUT;
+			capabilities |= V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT;
 		} else
 			capabilities |= V4L2_CAP_VIDEO_CAPTURE;
 	}