https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers
alsa sound
those ctl lock error can be solved by using type asym for playback and capture of iec958, only playback iec958 need those locks
https:/ /bugzilla. kernel. org/enter_ bug.cgi? product= Drivers
alsa sound
those ctl lock error can be solved by using type asym for playback and capture of iec958, only playback iec958 need those locks