snd_ice1712_ews88mt_chip_select
if (snd_ice1712_ews88mt_chip_select(ice, ~(1 << chip) & 0x0f) < 0)
snd_ice1712_ews88mt_chip_select(ice, 0x0f);
err = snd_ice1712_ews88mt_chip_select(ice, 0x0f);