[PATCH 5/8] ALSA: hda: add snd_hdac_stop_streams() helper

[Pierre-Louis Bossart]

Minor code reuse, no functionality change.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao at linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi at linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen at linux.intel.com>
---
 include/sound/hdaudio.h        |  1 +
 sound/hda/hdac_stream.c        | 17 ++++++++++++++---
 sound/pci/hda/hda_controller.c |  4 +---
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 24c731e53ccb6..35459d740f008 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -562,6 +562,7 @@ int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
 				unsigned int format_val);
 void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start);
 void snd_hdac_stream_stop(struct hdac_stream *azx_dev);
+void snd_hdac_stop_streams(struct hdac_bus *bus);
 void snd_hdac_stop_streams_and_chip(struct hdac_bus *bus);
 void snd_hdac_stream_reset(struct hdac_stream *azx_dev);
 void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set,
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index 2e98f5fd50e54..c056bcc5543d1 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -174,17 +174,28 @@ void snd_hdac_stream_stop(struct hdac_stream *azx_dev)
 }
 EXPORT_SYMBOL_GPL(snd_hdac_stream_stop);
 
+/**
+ * snd_hdac_stop_streams - stop all streams
+ * @bus: HD-audio core bus
+ */
+void snd_hdac_stop_streams(struct hdac_bus *bus)
+{
+	struct hdac_stream *stream;
+
+	list_for_each_entry(stream, &bus->stream_list, list)
+		snd_hdac_stream_stop(stream);
+}
+EXPORT_SYMBOL_GPL(snd_hdac_stop_streams);
+
 /**
  * snd_hdac_stop_streams_and_chip - stop all streams and chip if running
  * @bus: HD-audio core bus
  */
 void snd_hdac_stop_streams_and_chip(struct hdac_bus *bus)
 {
-	struct hdac_stream *stream;
 
 	if (bus->chip_init) {
-		list_for_each_entry(stream, &bus->stream_list, list)
-			snd_hdac_stream_stop(stream);
+		snd_hdac_stop_streams(bus);
 		snd_hdac_bus_stop_chip(bus);
 	}
 }
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 75dcb14ff20ad..0ff286b7b66be 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -1033,10 +1033,8 @@ EXPORT_SYMBOL_GPL(azx_init_chip);
 void azx_stop_all_streams(struct azx *chip)
 {
 	struct hdac_bus *bus = azx_bus(chip);
-	struct hdac_stream *s;
 
-	list_for_each_entry(s, &bus->stream_list, list)
-		snd_hdac_stream_stop(s);
+	snd_hdac_stop_streams(bus);
 }
 EXPORT_SYMBOL_GPL(azx_stop_all_streams);
 
-- 
2.34.1