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

commit 9d2d462 upstream. 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 <[email protected]> Reviewed-by: Ranjani Sridharan <[email protected]> Reviewed-by: Péter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
ammarfaizi2 · Jul 29, 2022 · ac799a3 · ac799a3
1 parent 01d3e7c
commit ac799a3
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diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
@@ -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;
@@ -336,6 +339,12 @@ 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;
 	}

diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
@@ -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 {