if (sc->sc_device_family == IWM_DEVICE_FAMILY_7000) iwm_set_bits_mask_prph(sc, IWM_APMG_PS_CTRL_REG, IWM_APMG_PS_CTRL_VAL_PWR_SRC_VMAIN, ~IWM_APMG_PS_CTRL_MSK_PWR_SRC);