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ASoC: SOF: pm: add definitions for S4 and S5 states

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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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220616201818.130802-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-06-16 15:18:17 -05:00 committed by Mark Brown
parent 6639990dbb
commit 7a5974e035
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
2 changed files with 11 additions and 0 deletions
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9
sound/soc/sof/pm.c
View file

@ -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;
}

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

@ -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 {