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Diffstat (limited to 'sound/hda/hdac_stream.c')
-rw-r--r--sound/hda/hdac_stream.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index c056bcc5543d..1b8be39c38a9 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -366,6 +366,21 @@ struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus,
EXPORT_SYMBOL_GPL(snd_hdac_stream_assign);
/**
+ * snd_hdac_stream_release_locked - release the assigned stream
+ * @azx_dev: HD-audio core stream to release
+ *
+ * Release the stream that has been assigned by snd_hdac_stream_assign().
+ * The bus->reg_lock needs to be taken at a higher level
+ */
+void snd_hdac_stream_release_locked(struct hdac_stream *azx_dev)
+{
+ azx_dev->opened = 0;
+ azx_dev->running = 0;
+ azx_dev->substream = NULL;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_stream_release_locked);
+
+/**
* snd_hdac_stream_release - release the assigned stream
* @azx_dev: HD-audio core stream to release
*
@@ -376,9 +391,7 @@ void snd_hdac_stream_release(struct hdac_stream *azx_dev)
struct hdac_bus *bus = azx_dev->bus;
spin_lock_irq(&bus->reg_lock);
- azx_dev->opened = 0;
- azx_dev->running = 0;
- azx_dev->substream = NULL;
+ snd_hdac_stream_release_locked(azx_dev);
spin_unlock_irq(&bus->reg_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_stream_release);