Unverified Commit 4fefc398 authored Sep 24, 2020 by Daniel Baluta Committed by Mark Brown Sep 25, 2020

ASoC: SOF: Activate runtime PM with SOF OF device



SOF boots the DSP at probe and keeps it up all the time.
With this change, after booting if no one is using the DSP
the SOF core will turn off the DSP to save power.

Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Paul Olaru <paul.olaru@nxp.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20200924151518.15841-2-daniel.baluta@oss.nxp.com


Signed-off-by: Mark Brown <broonie@kernel.org>

parent bbd59df0

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

+4 −0

Original line number	Diff line number	Diff line
		@@ -56,7 +56,11 @@ 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)

Admin message