TSCM_OFFSET_ISOC_RX_CH 218 sound/firewire/tascam/tascam-stream.c TSCM_ADDR_BASE + TSCM_OFFSET_ISOC_RX_CH, TSCM_OFFSET_ISOC_RX_CH 246 sound/firewire/tascam/tascam-stream.c TSCM_ADDR_BASE + TSCM_OFFSET_ISOC_RX_CH,