v4l2src: fix spurious SOURCE_CHANGED error-level log messages
authorTim-Philipp Müller <tim@centricular.com>
Mon, 19 Apr 2021 10:14:00 +0000 (11:14 +0100)
committerTim-Philipp Müller <tim@centricular.com>
Mon, 19 Apr 2021 10:29:44 +0000 (11:29 +0100)
commit63c1e2ed60d38e2dd3e2ac4688c05644e7701667
tree2867ef65cd0209c3efa037d5cce39bd1f9050ad7
parent61d4dd0b9bbbdc969f8783205e48d277f219f6c4
v4l2src: fix spurious SOURCE_CHANGED error-level log messages

They're harmless, and some drivers at least return EINVAL
instead of ENOTTY for unsupported events (here: uvcvideo).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/955>
sys/v4l2/v4l2_calls.c