From: Rander Wang <rander.wang@xxxxxxxxx> If multiple pipeline are mixed into one, we can't unprepare the widget used by other pipelines. This patch checks use_count to address this case. Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> --- sound/soc/sof/sof-audio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c index 71cea83889fb0..62092e2d609c7 100644 --- a/sound/soc/sof/sof-audio.c +++ b/sound/soc/sof/sof-audio.c @@ -271,8 +271,8 @@ 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; - /* it is already unprepared */ - if (!swidget->prepared) + /* return if the widget is in use or if it is already unprepared */ + if (!swidget->prepared || swidget->use_count > 1) return; if (widget_ops[widget->id].ipc_unprepare) -- 2.34.1
