ASoC: SOF: keep prepare/unprepare widgets in sink path

The existing code return when a widget doesn't need to
prepare/unprepare. This will prevent widgets in the sink path from being
prepared/unprepared.

Cc: <stable@vger.kernel.org> # 6.1
Link: https://github.com/thesofproject/linux/issues/4021
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230118101255.29139-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 8c114e6..ff716bf 100644 (file)
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -271,9 +271,9 @@ sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widg
        struct snd_sof_widget *swidget = widget->dobj.private;
        struct snd_soc_dapm_path *p;
 
-       /* return if the widget is in use or if it is already unprepared */
+       /* skip if the widget is in use or if it is already unprepared */
        if (!swidget || !swidget->prepared || swidget->use_count > 0)
-               return;
+               goto sink_unprepare;
 
        if (widget_ops[widget->id].ipc_unprepare)
                /* unprepare the source widget */
@@ -281,6 +281,7 @@ sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widg
 
        swidget->prepared = false;
 
+sink_unprepare:
        /* unprepare all widgets in the sink paths */
        snd_soc_dapm_widget_for_each_sink_path(widget, p) {
                if (!p->walking && p->sink->dobj.private) {