MIX_VOLNORM
dev->vol.left = MIX_VOLNORM(v & 0x00ff);
dev->vol.right = MIX_VOLNORM((v >> 8) & 0x00ff);
MIX_VOLNORM(v & 0x00ff), MIX_VOLNORM((v >> 8) & 0x00ff));