hw_wm8775_input_select
hw_wm8775_input_select(hw, 0, 20); /* Mic, 20dB */
hw_wm8775_input_select(hw, 1, 0); /* Line-in, 0dB */
hw_wm8775_input_select(hw, 0, 0);
hw_wm8775_input_select(hw, 0, 0); /* Mic, 0dB */
hw_wm8775_input_select(hw, 1, 0); /* FP Mic, 0dB */
hw_wm8775_input_select(hw, 3, 0); /* Aux Ext, 0dB */