WM8974_SPKVOL
SOC_SINGLE("Speaker Playback ZC Switch", WM8974_SPKVOL, 7, 1, 0),
SOC_SINGLE("Speaker Playback Switch", WM8974_SPKVOL, 6, 1, 1),
SOC_SINGLE_TLV("Speaker Playback Volume", WM8974_SPKVOL, 0, 63, 0, spk_tlv),