diff options
| author | Daniel Baluta <daniel.baluta@nxp.com> | 2020-09-24 18:15:17 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-09-25 18:53:11 +0100 |
| commit | 4fefc39894d8975d58b02b4b5f635d20891778ca (patch) | |
| tree | 894b289af0bad3b4435fbd60253fc9901a25fd46 /sound | |
| parent | bbd59df075ab793c98ff7f95dc1f05895f6a6bc9 (diff) | |
| download | linux-4fefc39894d8975d58b02b4b5f635d20891778ca.tar.bz2 | |
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/sof-of-dev.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-of-dev.c b/sound/soc/sof/sof-of-dev.c index f492c5dfa659..de9acc0e33cb 100644 --- a/sound/soc/sof/sof-of-dev.c +++ b/sound/soc/sof/sof-of-dev.c @@ -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) |