Merge series "Enable runtime PM for SOF device" from Daniel Baluta <daniel.baluta@oss.nxp.com>

Daniel Baluta <daniel.baluta@nxp.com>:

From: Daniel Baluta <daniel.baluta@nxp.com>

This enables runtime PM for SOF device. Next patchseries will
provide PM suspend/resume handlers for i.MX8 specific devices.

Daniel Baluta (2):
  ASoC: SOF: Activate runtime PM with SOF OF device
  ASoC: SOF: Add .prepare/.complete callbacks

 sound/soc/sof/sof-of-dev.c | 6 ++++++
 1 file changed, 6 insertions(+)

--
2.17.1

sound/soc/sof/sof-of-dev.c

@@ -46,6 +46,8 @@ static struct sof_dev_desc sof_of_imx8mp_desc = {
 #endif
 
 static const struct dev_pm_ops sof_of_pm = {
+	.prepare = snd_sof_prepare,
+	.complete = snd_sof_complete,
 	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
 	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
 			   NULL)
@@ -56,7 +58,11 @@ static void sof_of_probe_complete(struct device *dev)
 	/* allow runtime_pm */
 	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
 	pm_runtime_use_autosuspend(dev);
+	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);
+
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
 }
 
 static int sof_of_probe(struct platform_device *pdev)