diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 61c6054618c8..dca5d2177e9b 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1155,7 +1155,6 @@ int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int
 
 void snd_pcm_set_ops(struct snd_pcm * pcm, int direction,
 		     const struct snd_pcm_ops *ops);
-void snd_pcm_set_sync(struct snd_pcm_substream *substream);
 int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream,
 		      unsigned int cmd, void *arg);                      
 void snd_pcm_period_elapsed_under_stream_lock(struct snd_pcm_substream *substream);
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6f73b3c2c205..050a43eb6bae 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -515,23 +515,6 @@ void snd_pcm_set_ops(struct snd_pcm *pcm, int direction,
 }
 EXPORT_SYMBOL(snd_pcm_set_ops);
 
-/**
- * snd_pcm_set_sync - set the PCM sync id
- * @substream: the pcm substream
- *
- * Sets the PCM sync identifier for the card.
- */
-void snd_pcm_set_sync(struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	
-	runtime->sync.id32[0] = substream->pcm->card->number;
-	runtime->sync.id32[1] = -1;
-	runtime->sync.id32[2] = -1;
-	runtime->sync.id32[3] = -1;
-}
-EXPORT_SYMBOL(snd_pcm_set_sync);
-
 /*
  *  Standard ioctl routine
  */
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c
index ce49eef0fcba..07ba3b40d601 100644
--- a/sound/firewire/bebob/bebob_pcm.c
+++ b/sound/firewire/bebob/bebob_pcm.c
@@ -192,7 +192,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&bebob->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 err_locked:
diff --git a/sound/firewire/dice/dice-pcm.c b/sound/firewire/dice/dice-pcm.c
index d64366217d57..ec88e4f8ab79 100644
--- a/sound/firewire/dice/dice-pcm.c
+++ b/sound/firewire/dice/dice-pcm.c
@@ -243,7 +243,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&dice->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 err_locked:
diff --git a/sound/firewire/digi00x/digi00x-pcm.c b/sound/firewire/digi00x/digi00x-pcm.c
index 3bd1575c9d9c..e389f0ed33df 100644
--- a/sound/firewire/digi00x/digi00x-pcm.c
+++ b/sound/firewire/digi00x/digi00x-pcm.c
@@ -167,7 +167,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&dg00x->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 err_locked:
diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c
index ec915671a79b..301724d4ac52 100644
--- a/sound/firewire/fireface/ff-pcm.c
+++ b/sound/firewire/fireface/ff-pcm.c
@@ -206,7 +206,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&ff->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 
diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c
index c3c21860b245..2bb8f5f5147a 100644
--- a/sound/firewire/fireworks/fireworks_pcm.c
+++ b/sound/firewire/fireworks/fireworks_pcm.c
@@ -229,7 +229,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&efw->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 err_locked:
diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c
index d410c2efbde5..08556a62a905 100644
--- a/sound/firewire/motu/motu-pcm.c
+++ b/sound/firewire/motu/motu-pcm.c
@@ -184,7 +184,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 		}
 	}
 
-	snd_pcm_set_sync(substream);
 
 	mutex_unlock(&motu->mutex);
 
diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c
index 5f43a0b826d2..4c555d5e9daa 100644
--- a/sound/firewire/oxfw/oxfw-pcm.c
+++ b/sound/firewire/oxfw/oxfw-pcm.c
@@ -217,7 +217,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&oxfw->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 err_locked:
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c
index f6da571707ac..ca4e7f1f6c36 100644
--- a/sound/firewire/tascam/tascam-pcm.c
+++ b/sound/firewire/tascam/tascam-pcm.c
@@ -96,7 +96,6 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_unlock(&tscm->mutex);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 err_locked:
diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index 026061b55ee9..2909657e1dfc 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -1505,7 +1505,6 @@ static int snd_wss_playback_open(struct snd_pcm_substream *substream)
 		return err;
 	}
 	chip->playback_substream = substream;
-	snd_pcm_set_sync(substream);
 	chip->rate_constraint(runtime);
 	return 0;
 }
@@ -1546,7 +1545,6 @@ static int snd_wss_capture_open(struct snd_pcm_substream *substream)
 		return err;
 	}
 	chip->capture_substream = substream;
-	snd_pcm_set_sync(substream);
 	chip->rate_constraint(runtime);
 	return 0;
 }
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 31e51e2df655..babcdc664264 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -1468,7 +1468,6 @@ static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
 	runtime->private_free = snd_ali_pcm_free_substream;
 
 	runtime->hw = *phw;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
 				     0, 64*1024);
 	return 0;
diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c
index 001786e2aba1..86765f1381d7 100644
--- a/sound/pci/asihpi/asihpi.c
+++ b/sound/pci/asihpi/asihpi.c
@@ -1042,7 +1042,6 @@ static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 
 	if (card->support_grouping) {
 		snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
-		snd_pcm_set_sync(substream);
 	}
 
 	/* struct is copied, so can create initializer dynamically */
@@ -1222,7 +1221,6 @@ static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
 		card->update_interval_frames, UINT_MAX);
 
-	snd_pcm_set_sync(substream);
 
 	return 0;
 }
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index cf1bac7a435f..8e64c13d2ca8 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -581,7 +581,6 @@ static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substr
 	err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64);
 	if (err < 0)
                 return err;
-	snd_pcm_set_sync(substream);
 
 	/* Front channel dac should already be on */
 	if (channel_id != PCM_FRONT_CHANNEL) {
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index 7484de255a3e..41e5dc30190b 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -287,7 +287,6 @@ static int pcm_open(struct snd_pcm_substream *substream,
 	runtime->hw = pipe->hw;
 	runtime->private_data = pipe;
 	runtime->private_free = audiopipe_free;
-	snd_pcm_set_sync(substream);
 
 	/* Only mono and any even number of channels are allowed */
 	err = snd_pcm_hw_constraint_list(runtime, 0,
diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c
index 18928b905939..6cac72a4c847 100644
--- a/sound/pci/ens1370.c
+++ b/sound/pci/ens1370.c
@@ -1100,7 +1100,6 @@ static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
 	ensoniq->mode |= ES_MODE_PLAY1;
 	ensoniq->playback1_substream = substream;
 	runtime->hw = snd_ensoniq_playback1;
-	snd_pcm_set_sync(substream);
 	spin_lock_irq(&ensoniq->reg_lock);
 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
 		ensoniq->spdif_stream = ensoniq->spdif_default;
@@ -1123,7 +1122,6 @@ static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
 	ensoniq->mode |= ES_MODE_PLAY2;
 	ensoniq->playback2_substream = substream;
 	runtime->hw = snd_ensoniq_playback2;
-	snd_pcm_set_sync(substream);
 	spin_lock_irq(&ensoniq->reg_lock);
 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
 		ensoniq->spdif_stream = ensoniq->spdif_default;
@@ -1146,7 +1144,6 @@ static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
 	ensoniq->mode |= ES_MODE_CAPTURE;
 	ensoniq->capture_substream = substream;
 	runtime->hw = snd_ensoniq_capture;
-	snd_pcm_set_sync(substream);
 #ifdef CHIP1370
 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 				      &snd_es1370_hw_constraints_clock);
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 8af5ee1b0ea8..658a9341779d 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -663,7 +663,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
 		runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME;
 	}
 
-	snd_pcm_set_sync(substream);
 	mutex_unlock(&chip->open_mutex);
 	return 0;
 
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 3b0c3e70987b..2103b1700a76 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -1129,7 +1129,6 @@ static int snd_ice1712_playback_pro_open(struct snd_pcm_substream *substream)
 
 	ice->playback_pro_substream = substream;
 	runtime->hw = snd_ice1712_playback_pro;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 	if (is_pro_rate_locked(ice)) {
@@ -1150,7 +1149,6 @@ static int snd_ice1712_capture_pro_open(struct snd_pcm_substream *substream)
 
 	ice->capture_pro_substream = substream;
 	runtime->hw = snd_ice1712_capture_pro;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 	if (is_pro_rate_locked(ice)) {
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 1dc776acd637..71e7da7c8070 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -1010,7 +1010,6 @@ static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
 	runtime->private_data = (void *)&vt1724_playback_pro_reg;
 	ice->playback_pro_substream = substream;
 	runtime->hw = snd_vt1724_playback_pro;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	set_rate_constraints(ice, substream);
 	mutex_lock(&ice->open_mutex);
@@ -1043,7 +1042,6 @@ static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
 	runtime->private_data = (void *)&vt1724_capture_pro_reg;
 	ice->capture_pro_substream = substream;
 	runtime->hw = snd_vt1724_2ch_stereo;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	set_rate_constraints(ice, substream);
 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
@@ -1191,7 +1189,6 @@ static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
 		set_rate_constraints(ice, substream);
 	} else
 		runtime->hw = snd_vt1724_spdif;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 				   VT1724_BUFFER_ALIGN);
@@ -1228,7 +1225,6 @@ static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
 		set_rate_constraints(ice, substream);
 	} else
 		runtime->hw = snd_vt1724_spdif;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 				   VT1724_BUFFER_ALIGN);
@@ -1377,7 +1373,6 @@ static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
 	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
 	ice->playback_con_substream_ds[substream->number] = substream;
 	runtime->hw = snd_vt1724_2ch_stereo;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 	set_rate_constraints(ice, substream);
 	return 0;
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
index bd9b6148dd6f..e845629d1c6b 100644
--- a/sound/pci/lx6464es/lx6464es.c
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -246,7 +246,6 @@ static int lx_pcm_open(struct snd_pcm_substream *substream)
 	snd_pcm_hw_constraint_step(runtime, 0,
 				   SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
 
-	snd_pcm_set_sync(substream);
 	err = 0;
 
 exit:
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index b2a3fcfe31d4..1b0f2d980f5e 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -168,7 +168,6 @@ static int oxygen_open(struct snd_pcm_substream *substream,
 		if (err < 0)
 			return err;
 	}
-	snd_pcm_set_sync(substream);
 	chip->streams[channel] = substream;
 
 	mutex_lock(&chip->mutex);
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index 242bd7e04b3e..165132a98dcc 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -1059,7 +1059,6 @@ static int pcxhr_open(struct snd_pcm_substream *subs)
 				   SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
 	snd_pcm_hw_constraint_step(runtime, 0,
 				   SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
-	snd_pcm_set_sync(subs);
 
 	mgr->ref_count_rate++;
 
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index 02144bbee6d5..eaf7d4850634 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -819,7 +819,6 @@ static int snd_rme32_playback_spdif_open(struct snd_pcm_substream *substream)
 	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_pcm_set_sync(substream);
 
 	spin_lock_irq(&rme32->lock);
 	if (rme32->playback_substream != NULL) {
@@ -864,7 +863,6 @@ static int snd_rme32_capture_spdif_open(struct snd_pcm_substream *substream)
 	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_pcm_set_sync(substream);
 
 	spin_lock_irq(&rme32->lock);
         if (rme32->capture_substream != NULL) {
@@ -904,7 +902,6 @@ snd_rme32_playback_adat_open(struct snd_pcm_substream *substream)
 	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	
-	snd_pcm_set_sync(substream);
 
 	spin_lock_irq(&rme32->lock);	
         if (rme32->playback_substream != NULL) {
@@ -955,7 +952,6 @@ snd_rme32_capture_adat_open(struct snd_pcm_substream *substream)
                 runtime->hw.rate_max = rate;
         }
 
-	snd_pcm_set_sync(substream);
         
 	spin_lock_irq(&rme32->lock);	
 	if (rme32->capture_substream != NULL) {
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index d50ad25574ad..1c2260647f8a 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -1161,7 +1161,6 @@ snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
 	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_pcm_set_sync(substream);
 	spin_lock_irq(&rme96->lock);	
 	if (rme96->playback_substream) {
 		spin_unlock_irq(&rme96->lock);
@@ -1199,7 +1198,6 @@ snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
 	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_pcm_set_sync(substream);
 	runtime->hw = snd_rme96_capture_spdif_info;
 	if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
 		rate = snd_rme96_capture_getrate(rme96, &isadat);
@@ -1231,7 +1229,6 @@ snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
 	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;        
 	
-	snd_pcm_set_sync(substream);
 	spin_lock_irq(&rme96->lock);	
 	if (rme96->playback_substream) {
 		spin_unlock_irq(&rme96->lock);
@@ -1265,7 +1262,6 @@ snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
 	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
-	snd_pcm_set_sync(substream);
 	runtime->hw = snd_rme96_capture_adat_info;
         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
                 /* makes no sense to use analog input. Note that analog
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index e7d1b43471a2..dbf544798980 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -4481,7 +4481,6 @@ static int snd_hdsp_playback_open(struct snd_pcm_substream *substream)
 
 	spin_lock_irq(&hdsp->lock);
 
-	snd_pcm_set_sync(substream);
 
         runtime->hw = snd_hdsp_playback_subinfo;
 	snd_pcm_set_runtime_buffer(substream, &hdsp->playback_dma_buf);
@@ -4557,7 +4556,6 @@ static int snd_hdsp_capture_open(struct snd_pcm_substream *substream)
 
 	spin_lock_irq(&hdsp->lock);
 
-	snd_pcm_set_sync(substream);
 
 	runtime->hw = snd_hdsp_capture_subinfo;
 	snd_pcm_set_runtime_buffer(substream, &hdsp->capture_dma_buf);
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 267c7848974a..0acf788878b1 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6051,7 +6051,6 @@ static int snd_hdspm_open(struct snd_pcm_substream *substream)
 	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
 
 	spin_lock_irq(&hdspm->lock);
-	snd_pcm_set_sync(substream);
 	runtime->hw = (playback) ? snd_hdspm_playback_subinfo :
 		snd_hdspm_capture_subinfo;
 
diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c
index d066c70ae160..78ae4a796605 100644
--- a/sound/pci/rme9652/rme9652.c
+++ b/sound/pci/rme9652/rme9652.c
@@ -2229,7 +2229,6 @@ static int snd_rme9652_playback_open(struct snd_pcm_substream *substream)
 
 	spin_lock_irq(&rme9652->lock);
 
-	snd_pcm_set_sync(substream);
 
         runtime->hw = snd_rme9652_playback_subinfo;
 	snd_pcm_set_runtime_buffer(substream, &rme9652->playback_dma_buf);
@@ -2288,7 +2287,6 @@ static int snd_rme9652_capture_open(struct snd_pcm_substream *substream)
 
 	spin_lock_irq(&rme9652->lock);
 
-	snd_pcm_set_sync(substream);
 
 	runtime->hw = snd_rme9652_capture_subinfo;
 	snd_pcm_set_runtime_buffer(substream, &rme9652->capture_dma_buf);
diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c
index 53206beb2cb5..17c8cc5e0c67 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -480,7 +480,6 @@ static int sis_playback_open(struct snd_pcm_substream *substream)
 						9, 0xfff9);
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
 						9, 0xfff9);
-	snd_pcm_set_sync(substream);
 	return 0;
 }
 
@@ -669,7 +668,6 @@ static int sis_capture_open(struct snd_pcm_substream *substream)
 						9, 0xfff9);
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
 						9, 0xfff9);
-	snd_pcm_set_sync(substream);
 	return 0;
 }
 
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index e98eea1e6d81..1134a0a8a44b 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -1820,7 +1820,6 @@ static int snd_trident_playback_open(struct snd_pcm_substream *substream)
 	runtime->private_data = voice;
 	runtime->private_free = snd_trident_pcm_free_substream;
 	runtime->hw = snd_trident_playback;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
 	return 0;
 }
@@ -1948,7 +1947,6 @@ static int snd_trident_capture_open(struct snd_pcm_substream *substream)
 	runtime->private_data = voice;
 	runtime->private_free = snd_trident_pcm_free_substream;
 	runtime->hw = snd_trident_capture;
-	snd_pcm_set_sync(substream);
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
 	return 0;
 }
diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
index 2cafbc392cdb..8ea1fc0bc5b2 100644
--- a/sound/soc/intel/avs/pcm.c
+++ b/sound/soc/intel/avs/pcm.c
@@ -491,7 +491,6 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so
 	if (ret < 0)
 		goto err;
 
-	snd_pcm_set_sync(substream);
 
 	dev_dbg(dai->dev, "%s fe STARTUP tag %d str %p",
 		__func__, hdac_stream(host_stream)->stream_tag, substream);
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 613b27b8da13..3cf900801339 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -242,7 +242,6 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
 	dev_dbg(dai->dev, "stream tag set in dma params=%d\n",
 				 dma_params->stream_tag);
 	skl_set_suspend_active(substream, dai, true);
-	snd_pcm_set_sync(substream);
 
 	mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
 	if (!mconfig) {
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index c2ad3fa2f25a..96a8684f2a69 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -1140,7 +1140,6 @@ static int snd_cs4231_playback_open(struct snd_pcm_substream *substream)
 		return err;
 	chip->playback_substream = substream;
 	chip->p_periods_sent = 0;
-	snd_pcm_set_sync(substream);
 	snd_cs4231_xrate(runtime);
 
 	return 0;
@@ -1159,7 +1158,6 @@ static int snd_cs4231_capture_open(struct snd_pcm_substream *substream)
 		return err;
 	chip->capture_substream = substream;
 	chip->c_periods_sent = 0;
-	snd_pcm_set_sync(substream);
 	snd_cs4231_xrate(runtime);
 
 	return 0;
