diff options
| -rw-r--r-- | sound/soc/sof/pm.c | 13 | ||||
| -rw-r--r-- | sound/soc/sof/sof-client.c | 46 | ||||
| -rw-r--r-- | sound/soc/sof/sof-priv.h | 12 |
3 files changed, 70 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) diff --git a/sound/soc/sof/sof-client.c b/sound/soc/sof/sof-client.c index 6f747d051b59..932bdea49c24 100644 --- a/sound/soc/sof/sof-client.c +++ b/sound/soc/sof/sof-client.c @@ -169,6 +169,52 @@ int sof_client_ipc_tx_message(struct sof_client_dev *cdev, void *ipc_msg, } EXPORT_SYMBOL_NS_GPL(sof_client_ipc_tx_message, SND_SOC_SOF_CLIENT); +int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state) +{ + struct auxiliary_driver *adrv; + struct sof_client_dev *cdev; + + mutex_lock(&sdev->ipc_client_mutex); + + list_for_each_entry(cdev, &sdev->ipc_client_list, list) { + /* Skip devices without loaded driver */ + if (!cdev->auxdev.dev.driver) + continue; + + adrv = to_auxiliary_drv(cdev->auxdev.dev.driver); + if (adrv->suspend) + adrv->suspend(&cdev->auxdev, state); + } + + mutex_unlock(&sdev->ipc_client_mutex); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(sof_suspend_clients, SND_SOC_SOF_CLIENT); + +int sof_resume_clients(struct snd_sof_dev *sdev) +{ + struct auxiliary_driver *adrv; + struct sof_client_dev *cdev; + + mutex_lock(&sdev->ipc_client_mutex); + + list_for_each_entry(cdev, &sdev->ipc_client_list, list) { + /* Skip devices without loaded driver */ + if (!cdev->auxdev.dev.driver) + continue; + + adrv = to_auxiliary_drv(cdev->auxdev.dev.driver); + if (adrv->resume) + adrv->resume(&cdev->auxdev); + } + + mutex_unlock(&sdev->ipc_client_mutex); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(sof_resume_clients, SND_SOC_SOF_CLIENT); + struct dentry *sof_client_get_debugfs_root(struct sof_client_dev *cdev) { return cdev->sdev->debugfs_root; diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index f641833f3ff9..39bbba5aeab2 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -653,6 +653,8 @@ int sof_register_clients(struct snd_sof_dev *sdev); void sof_unregister_clients(struct snd_sof_dev *sdev); void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf); void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev); +int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state); +int sof_resume_clients(struct snd_sof_dev *sdev); #else /* CONFIG_SND_SOC_SOF_CLIENT */ static inline int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, u32 id, const void *data, size_t size) @@ -681,6 +683,16 @@ static inline void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void * static inline void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev) { } + +static inline int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state) +{ + return 0; +} + +static inline int sof_resume_clients(struct snd_sof_dev *sdev) +{ + return 0; +} #endif /* CONFIG_SND_SOC_SOF_CLIENT */ #endif |