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-rw-r--r--sound/soc/sof/pm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index 8d3383085d12..85412aeb1ca1 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -183,6 +183,7 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
pm_message_t pm_state;
u32 target_state = snd_sof_dsp_power_target(sdev);
+ u32 old_state = sdev->dsp_power_state.state;
int ret;
/* do nothing if dsp suspend callback is not set */
@@ -192,7 +193,12 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
if (runtime_suspend && !sof_ops(sdev)->runtime_suspend)
return 0;
- if (tplg_ops && tplg_ops->tear_down_all_pipelines)
+ /* we need to tear down pipelines only if the DSP hardware is
+ * active, which happens for PCI devices. if the device is
+ * suspended, it is brought back to full power and then
+ * suspended again
+ */
+ if (tplg_ops && tplg_ops->tear_down_all_pipelines && (old_state == SOF_DSP_PM_D0))
tplg_ops->tear_down_all_pipelines(sdev, false);
if (sdev->fw_state != SOF_FW_BOOT_COMPLETE)