YDSXGR_GPIOFUNCENABLE
reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));