AIC26_REG_DAC_GAIN
snd_soc_component_update_bits(component, AIC26_REG_DAC_GAIN, 0x8000, reg);
SOC_DOUBLE("PCM Playback Volume", AIC26_REG_DAC_GAIN, 8, 0, 0x7f, 1),
SOC_DOUBLE("PCM Playback Switch", AIC26_REG_DAC_GAIN, 15, 7, 1, 1),