if (gus->interwave) {
spin_lock_irqsave(&gus->reg_lock, flags);
snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, rom ? 0x03 : 0x01);
if (gus->interwave) {
spin_lock_irqsave(&gus->reg_lock, flags);
snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, rom ? 0x03 : 0x01);