VLV_GTLC_ALLOWWAKEREQ
val &= VLV_GTLC_ALLOWWAKEREQ;
val |= s->gtlc_wake_ctrl & ~VLV_GTLC_ALLOWWAKEREQ;
val &= ~VLV_GTLC_ALLOWWAKEREQ;
val |= VLV_GTLC_ALLOWWAKEREQ;