Symbol: RFBA
usr/src/uts/common/io/audio/drv/audiols/audiols.c
734
write_chan(dev, RFBA, 2, paddr);
usr/src/uts/common/io/audio/drv/audiop16x/audiop16x.c
518
write_reg(dev, RFBA, 0, port->buf_paddr);