OPL3_BLOCKNUM_MASK 119 sound/drivers/opl3/opl3_midi.c ((block << 2) & OPL3_BLOCKNUM_MASK); OPL3_BLOCKNUM_MASK 433 sound/drivers/opl3/opl3_synth.c reg_val |= (note->octave << 2) & OPL3_BLOCKNUM_MASK;