WM9090_ANALOGUE_HP_0
case WM9090_ANALOGUE_HP_0:
unsigned int reg = snd_soc_component_read(component, WM9090_ANALOGUE_HP_0);
snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg);
snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg);
snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg);