WM8510_COMP
SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */
SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */
SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),