AUD_CTRL_DATA_WIDTH_SHIFT
val |= (BIT_DEPTH_8 << AUD_CTRL_DATA_WIDTH_SHIFT);
val |= (BIT_DEPTH_16 << AUD_CTRL_DATA_WIDTH_SHIFT);
val |= (BIT_DEPTH_20 << AUD_CTRL_DATA_WIDTH_SHIFT);
val |= (BIT_DEPTH_24 << AUD_CTRL_DATA_WIDTH_SHIFT);
val |= (BIT_DEPTH_32 << AUD_CTRL_DATA_WIDTH_SHIFT);