diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 6554a9f71c62ef08efebc8debf9a4adf4cf2d111..c573c6a7da1297eac5c7680ca5339dc8a908915c 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1334,6 +1334,8 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, struct vm_area_s
 #define snd_pcm_lib_mmap_iomem	NULL
 #endif
 
+void snd_pcm_runtime_buffer_set_silence(struct snd_pcm_runtime *runtime);
+
 /**
  * snd_pcm_limit_isa_dma_size - Get the max size fitting with ISA DMA transfer
  * @dma: DMA number
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index de6f94bee50b9ac03f22398ffcb91e09574ab92d..8eb5fef41dbee7f77a0bdf40cb4dc543bd2786a4 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1078,8 +1078,7 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
 	runtime->oss.params = 0;
 	runtime->oss.prepare = 1;
 	runtime->oss.buffer_used = 0;
-	if (runtime->dma_area)
-		snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));
+	snd_pcm_runtime_buffer_set_silence(runtime);
 
 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);
 
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 9425fcd30c4c78df584d36554d3e4cba930d82e5..98bd6fe850d30d9cb953c56e0a00c11f12a01cd9 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -685,6 +685,17 @@ static void snd_pcm_buffer_access_unlock(struct snd_pcm_runtime *runtime)
 	atomic_inc(&runtime->buffer_accessing);
 }
 
+/* fill the PCM buffer with the current silence format; called from pcm_oss.c */
+void snd_pcm_runtime_buffer_set_silence(struct snd_pcm_runtime *runtime)
+{
+	snd_pcm_buffer_access_lock(runtime);
+	if (runtime->dma_area)
+		snd_pcm_format_set_silence(runtime->format, runtime->dma_area,
+					   bytes_to_samples(runtime, runtime->dma_bytes));
+	snd_pcm_buffer_access_unlock(runtime);
+}
+EXPORT_SYMBOL_GPL(snd_pcm_runtime_buffer_set_silence);
+
 #if IS_ENABLED(CONFIG_SND_PCM_OSS)
 #define is_oss_stream(substream)	((substream)->oss.oss)
 #else