Unverified Commit 60125286 authored by Keyon Jie's avatar Keyon Jie Committed by Mark Brown
Browse files

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: default avatarKeyon Jie <yang.jie@linux.intel.com>
Signed-off-by: default avatarPierre-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: default avatarMark Brown <broonie@kernel.org>
parent 534037fd

sound/soc/sof/pm.c

+17 −0
Original line number Diff line number Diff line
@@ -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);

sound/soc/sof/sof-priv.h

+2 −0
Original line number Diff line number Diff line
@@ -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);