GLK_PW_CTL_IDX_AUX_B
#define _CNL_AUX_REG_IDX(pw_idx) ((pw_idx) - GLK_PW_CTL_IDX_AUX_B)
.hsw.idx = GLK_PW_CTL_IDX_AUX_B,
pw_idx >= GLK_PW_CTL_IDX_AUX_B &&