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Diffstat (limited to 'sound/hda/hdac_stream.c')
-rw-r--r--sound/hda/hdac_stream.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index bdf6d4db6769..2dbde3d1cf68 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -112,10 +112,10 @@ void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start)
EXPORT_SYMBOL_GPL(snd_hdac_stream_start);
/**
- * snd_hdac_stream_clear - stop a stream DMA
+ * snd_hdac_stream_clear - helper to clear stream registers and stop DMA transfers
* @azx_dev: HD-audio core stream to stop
*/
-void snd_hdac_stream_clear(struct hdac_stream *azx_dev)
+static void snd_hdac_stream_clear(struct hdac_stream *azx_dev)
{
snd_hdac_stream_updateb(azx_dev, SD_CTL,
SD_CTL_DMA_START | SD_INT_MASK, 0);
@@ -124,7 +124,6 @@ void snd_hdac_stream_clear(struct hdac_stream *azx_dev)
snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, 0);
azx_dev->running = false;
}
-EXPORT_SYMBOL_GPL(snd_hdac_stream_clear);
/**
* snd_hdac_stream_stop - stop a stream