This is a note to let you know that I've just added the patch titled
ASoC: SOF: sof-audio: Skip unprepare for in-use widgets on error rollback
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-sof-sof-audio-skip-unprepare-for-in-use-widgets.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9ddf7bcb7b2d3e60fc0d7c05c0e9e831477f46cf
Author: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Date: Wed Jun 12 15:12:03 2024 +0300
ASoC: SOF: sof-audio: Skip unprepare for in-use widgets on error rollback
[ Upstream commit 6f2a43e3d14f6e31a3b041a1043195d02c54d615 ]
If the ipc_prepare() callback fails for a module instance, on error rewind
we must skip the ipc_unprepare() call for ones that has positive use count.
The positive use count means that the module instance is in active use, it
cannot be unprepared.
The issue affects capture direction paths with branches (single dai with
multiple PCMs), the affected widgets are in the shared part of the paths.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240612121203.15468-1-peter.ujfalusi@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 77cc64ac71131..5162625834725 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -488,7 +488,7 @@ sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget
if (ret < 0) {
/* unprepare the source widget */
if (widget_ops[widget->id].ipc_unprepare &&
- swidget && swidget->prepared) {
+ swidget && swidget->prepared && swidget->use_count == 0) {
widget_ops[widget->id].ipc_unprepare(swidget);
swidget->prepared = false;
}
