WM8960_PLL1
reg = snd_soc_component_read(component, WM8960_PLL1) & ~0x3f;
snd_soc_component_write(component, WM8960_PLL1, reg);
reg = snd_soc_component_read(component, WM8960_PLL1) & 0x03f;
snd_soc_component_write(component, WM8960_PLL1, reg | div);