From: Ranjani Sridharan ranjani.sridharan@linux.intel.com
Free widgets for static pipelines in sof_tear_down_pipelines(). But this feature is unavailable in older firmware with ABI < 3.19. Just reset widget use_count's for this case. This would ensure that the secondary cores enabled required for topology setup are powered down properly before the primary core is powered off during system suspend.
Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Signed-off-by: Kai Vehmanen kai.vehmanen@linux.intel.com --- sound/soc/sof/sof-audio.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c index a019355e0bcf..669d5c924f6b 100644 --- a/sound/soc/sof/sof-audio.c +++ b/sound/soc/sof/sof-audio.c @@ -665,11 +665,12 @@ int sof_set_up_pipelines(struct snd_sof_dev *sdev, bool verify) }
/* - * This function doesn't free widgets during suspend. It only resets the set up status for all - * routes and use_count for all widgets. + * For older firmware, this function doesn't free widgets for static pipelines during suspend. + * It only resets use_count for all widgets. */ int sof_tear_down_pipelines(struct snd_sof_dev *sdev, bool verify) { + struct sof_ipc_fw_version *v = &sdev->fw_ready.version; struct snd_sof_widget *swidget; struct snd_sof_route *sroute; int ret; @@ -681,8 +682,14 @@ int sof_tear_down_pipelines(struct snd_sof_dev *sdev, bool verify) * loading the sound card unavailable to open PCMs. */ list_for_each_entry_reverse(swidget, &sdev->widget_list, list) { - if (!verify) { + if (swidget->dynamic_pipeline_widget) + continue; + + /* Do not free widgets for static pipelines with FW ABI older than 3.19 */ + if (!verify && !swidget->dynamic_pipeline_widget && + v->abi_version < SOF_ABI_VER(3, 19, 0)) { swidget->use_count = 0; + swidget->complete = 0; continue; }