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| author | Peter Ujfalusi <peter.ujfalusi@linux.intel.com> | 2022-02-10 17:05:22 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-02-10 15:19:07 +0000 |
| commit | 1069967afe1e6b728061682ff99ec534a55a5613 (patch) | |
| tree | e74fea95a48d5ae1cbfeef8993a17f4c2fb1fcb4 /sound/soc/sof/pm.c | |
| parent | 6955d9512d0ea814f1c2761bef7ad7b3cedf4d68 (diff) | |
| download | linux-stable-1069967afe1e6b728061682ff99ec534a55a5613.tar.gz linux-stable-1069967afe1e6b728061682ff99ec534a55a5613.tar.bz2 linux-stable-1069967afe1e6b728061682ff99ec534a55a5613.zip | |
ASoC: SOF: sof-client: Add support for clients not managed by pm framework
Some SOF client can be of 'passive' type, meaning that they do not handle
PM framework callbacks by themselves but rely on the auxiliary driver's
suspend and resume callbacks to be notified about the core's suspend or
resume event.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220210150525.30756-7-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/pm.c')
| -rw-r--r-- | sound/soc/sof/pm.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c index 197a88695fef..7300ecadabd9 100644 --- a/sound/soc/sof/pm.c +++ b/sound/soc/sof/pm.c @@ -167,6 +167,9 @@ static int sof_resume(struct device *dev, bool runtime_resume) return ret; } + /* Notify clients not managed by pm framework about core resume */ + sof_resume_clients(sdev); + /* notify DSP of system resume */ ret = sof_send_pm_ctx_ipc(sdev, SOF_IPC_PM_CTX_RESTORE); if (ret < 0) @@ -180,6 +183,7 @@ static int sof_resume(struct device *dev, bool runtime_resume) static int sof_suspend(struct device *dev, bool runtime_suspend) { struct snd_sof_dev *sdev = dev_get_drvdata(dev); + pm_message_t pm_state; u32 target_state = 0; int ret; @@ -205,16 +209,23 @@ static int sof_suspend(struct device *dev, bool runtime_suspend) } target_state = snd_sof_dsp_power_target(sdev); + pm_state.event = target_state; /* Skip to platform-specific suspend if DSP is entering D0 */ - if (target_state == SOF_DSP_PM_D0) + if (target_state == SOF_DSP_PM_D0) { + /* Notify clients not managed by pm framework about core suspend */ + sof_suspend_clients(sdev, pm_state); goto suspend; + } sof_tear_down_pipelines(sdev, false); /* release trace */ snd_sof_release_trace(sdev); + /* Notify clients not managed by pm framework about core suspend */ + sof_suspend_clients(sdev, pm_state); + #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) /* cache debugfs contents during runtime suspend */ if (runtime_suspend) |