snd_cs8427_reg_read
err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER);
err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER);
data = snd_cs8427_reg_read(cs8427, CS8427_REG_RECVERRORS);
data = snd_cs8427_reg_read(device, kcontrol->private_value);