ALSA: hda: add snd_hdac_stop_streams() helper

Minor code reuse, no functionality change.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20220919121041.43463-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 24c731e53ccb68963f60f32521e07068db60b76b..35459d740f008c26b3ea9ef6427f70af21c1ba96 100644 (file)
--- 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 2e98f5fd50e5417977ab2984f71eb2f9eee26339..c056bcc5543d1e09e3a76412e77a177fcb158821 100644 (file)
--- 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 75dcb14ff20adbd8bd0111930f68e8c6f168a335..0ff286b7b66bee3965012e69074baba863479a70 100644 (file)
--- 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);