CFG3
cfg[2] = snd_cmi8328_cfg_read(port, CFG3);
snd_cmi8328_cfg_write(port, CFG3, cfg[2]);
snd_cmi8328_cfg_write(port, CFG3, 0); /* disable CDROM IRQ and DMA */
snd_cmi8328_cfg_write(cmi->port, CFG3, 0);