diff --git a/sound/soc/codecs/tas2783-sdw.c b/sound/soc/codecs/tas2783-sdw.c
index c217da5fccdf..d32d8f441651 100644
--- a/sound/soc/codecs/tas2783-sdw.c
+++ b/sound/soc/codecs/tas2783-sdw.c
@@ -1259,6 +1259,7 @@ static int tas_port_prep(struct sdw_slave *slave, struct sdw_prepare_ch *prep_ch
 			 enum sdw_port_prep_ops pre_ops)
 {
 	struct device *dev = &slave->dev;
+	struct tas2783_prv *tas_dev = dev_get_drvdata(dev);
 	struct sdw_dpn_prop *dpn_prop;
 	u32 addr;
 	int ret;
@@ -1270,6 +1271,25 @@ static int tas_port_prep(struct sdw_slave *slave, struct sdw_prepare_ch *prep_ch
 	addr = SDW_DPN_PREPARECTRL(prep_ch->num);
 	switch (pre_ops) {
 	case SDW_OPS_PORT_PRE_PREP:
+		/*
+		 * The Function has to be powered before the port can complete
+		 * channel preparation.  hw_params() does that when a stream is
+		 * set up, but a stream that is only re-prepared - as it is
+		 * after the peripheral lost power in S0i3 - does not go
+		 * through hw_params() again, and the peripheral is back at its
+		 * PS3 reset default.  Power it up here, where it is needed.
+		 */
+		scoped_guard(mutex, &tas_dev->pde_lock)
+			ret = regmap_write(tas_dev->regmap,
+					   SDW_SDCA_CTL(1, TAS2783_SDCA_ENT_PDE23,
+							TAS2783_SDCA_CTL_REQ_POW_STATE, 0),
+					   TAS2783_SDCA_POW_STATE_ON);
+		if (ret) {
+			dev_err(dev, "power up failed for port %d, err=%d\n",
+				prep_ch->num, ret);
+			return ret;
+		}
+
 		ret = sdw_write_no_pm(slave, addr, prep_ch->ch_mask);
 		if (ret)
 			dev_err(dev, "prep failed for port %d, err=%d\n",