Some versions of the ALSA libraries run into a segmentation fault when
we query a UCM device/modifier status without first setting a UCM verb.
It's not a reasonable thing to do anyway, so check for this case and
return an error. Also do the check in other helpers.
Link: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/801
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
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