steev@zero:/media/steev/SAMSUNGT5/git/launcher/ulauncher$ awk '/TDMOUT/ && $2=="OUT" {print substr($1,length($1),1)}' /sys/firmware/devicetree/base/sound/audio-routing | sort | head -n 1
steev@zero:/media/steev/SAMSUNGT5/git/launcher/ulauncher$ cat /sys/firmware/devicetree/base/sound/audio-routing | sort | head -n 1
TDMOUT_B IN 0FRDDR_A OUT 1TDMOUT_B IN 1FRDDR_B OUT 1TDMOUT_B IN 2FRDDR_C OUT 1TDM_B PlaybackTDMOUT_B OUT