WM_ADC_ATTEN_L
val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
idx = WM_ADC_ATTEN_L + i;
WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
idx = WM_ADC_ATTEN_L + i;
WM_ADC_ATTEN_L,