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ASoC: SOF: PM: add helpers for setting D0 substate for ADSP 

Add snd_sof_set_d0_substate() helper for setting ADSP to a specific D0
substate, it will call into the platform specific implementation, and
update the d0_substate at success.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-18-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Keyon Jie 2019-10-25 17:41:13 -05:00 committed by Mark Brown
parent 534037fddd
commit 601252869f
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GPG Key ID: 24D68B725D5487D0
2 changed files with 19 additions and 0 deletions
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17
sound/soc/sof/pm.c
View File

@ -411,6 +411,23 @@ int snd_sof_runtime_resume(struct device *dev)
}
EXPORT_SYMBOL(snd_sof_runtime_resume);
int snd_sof_set_d0_substate(struct snd_sof_dev *sdev,
enum sof_d0_substate d0_substate)
{
int ret;
/* do platform specific set_state */
ret = snd_sof_dsp_set_power_state(sdev, d0_substate);
if (ret < 0)
return ret;
/* update dsp D0 sub-state */
sdev->d0_substate = d0_substate;
return 0;
}
EXPORT_SYMBOL(snd_sof_set_d0_substate);
int snd_sof_resume(struct device *dev)
{
return sof_resume(dev, false);

2
sound/soc/sof/sof-priv.h
View File

@ -485,6 +485,8 @@ 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_set_d0_substate(struct snd_sof_dev *sdev,
enum sof_d0_substate d0_substate);
void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);