vol_right="$(sensor_read_one ${dir}/khatus_x4_sensor_volume/out/vol_right)"
vol_state="$(sensor_read_one ${dir}/khatus_x4_sensor_volume/out/state)"
vol_mute="$(sensor_read_one ${dir}/khatus_x4_sensor_volume/out/mute)"
vol_right="$(sensor_read_one ${dir}/khatus_x4_sensor_volume/out/vol_right)"
vol_state="$(sensor_read_one ${dir}/khatus_x4_sensor_volume/out/state)"
vol_mute="$(sensor_read_one ${dir}/khatus_x4_sensor_volume/out/mute)"