OPL4_VIBRATO_DEPTH_MASK 413 sound/drivers/opl4/opl4_synth.c voice->reg_lfo_vibrato &= ~OPL4_VIBRATO_DEPTH_MASK; OPL4_VIBRATO_DEPTH_MASK 414 sound/drivers/opl4/opl4_synth.c voice->reg_lfo_vibrato |= depth & OPL4_VIBRATO_DEPTH_MASK;