Unverified Commit 7a5974e0 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
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ASoC: SOF: pm: add definitions for S4 and S5 states 



We currently don't have a means to differentiate between S3, S4 and
S5. Add definitions so that we have select different code paths
depending on the target state in follow-up patches.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarPéter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220616201818.130802-3-pierre-louis.bossart@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6639990d

sound/soc/sof/pm.c

+9 −0
Original line number Diff line number Diff line
@@ -23,6 +23,9 @@ static u32 snd_sof_dsp_power_target(struct snd_sof_dev *sdev) 
	u32 target_dsp_state;



	switch (sdev->system_suspend_target) {

	case SOF_SUSPEND_S5:

	case SOF_SUSPEND_S4:

		/* DSP should be in D3 if the system is suspending to S3+ */

	case SOF_SUSPEND_S3:

		/* DSP should be in D3 if the system is suspending to S3 */

		target_dsp_state = SOF_DSP_PM_D3;
@@ -344,6 +347,12 @@ int snd_sof_prepare(struct device *dev) 
	case ACPI_STATE_S3:

		sdev->system_suspend_target = SOF_SUSPEND_S3;

		break;

	case ACPI_STATE_S4:

		sdev->system_suspend_target = SOF_SUSPEND_S4;

		break;

	case ACPI_STATE_S5:

		sdev->system_suspend_target = SOF_SUSPEND_S5;

		break;

	default:

		break;

	}

sound/soc/sof/sof-priv.h

+2 −0
Original line number Diff line number Diff line
@@ -85,6 +85,8 @@ enum sof_system_suspend_state { 
	SOF_SUSPEND_NONE = 0,

	SOF_SUSPEND_S0IX,

	SOF_SUSPEND_S3,

	SOF_SUSPEND_S4,

	SOF_SUSPEND_S5,

};



enum sof_dfsentry_type {