AK4671_PLL_MODE_SELECT0
fs = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0);
snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs);
pll = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0);
snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll);