diff options
| -rw-r--r-- | sound/soc/sof/pm.c | 23 | ||||
| -rw-r--r-- | sound/soc/sof/sof-priv.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c index 584241e9734a..99e4e6ffff74 100644 --- a/sound/soc/sof/pm.c +++ b/sound/soc/sof/pm.c @@ -439,3 +439,26 @@ int snd_sof_suspend(struct device *dev) return sof_suspend(dev, false); } EXPORT_SYMBOL(snd_sof_suspend); + +int snd_sof_prepare(struct device *dev) +{ + struct snd_sof_dev *sdev = dev_get_drvdata(dev); + +#if defined(CONFIG_ACPI) + sdev->s0_suspend = acpi_target_system_state() == ACPI_STATE_S0; +#else + /* will suspend to S3 by default */ + sdev->s0_suspend = false; +#endif + + return 0; +} +EXPORT_SYMBOL(snd_sof_prepare); + +void snd_sof_complete(struct device *dev) +{ + struct snd_sof_dev *sdev = dev_get_drvdata(dev); + + sdev->s0_suspend = false; +} +EXPORT_SYMBOL(snd_sof_complete); diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index c2541d020bde..6408ac88a3e5 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -492,6 +492,8 @@ int snd_sof_runtime_resume(struct device *dev); int snd_sof_runtime_idle(struct device *dev); int snd_sof_resume(struct device *dev); int snd_sof_suspend(struct device *dev); +int snd_sof_prepare(struct device *dev); +void snd_sof_complete(struct device *dev); int snd_sof_set_d0_substate(struct snd_sof_dev *sdev, enum sof_d0_substate d0_substate); |