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ASoC: SOF: pm: add explicit behavior for ACPI S1 and S2 

commit a933084558 upstream.

The existing code only deals with S0 and S3, let's start adding S1 and S2.

No functional change.

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/20220616201818.130802-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pierre-Louis Bossart 2022-06-16 15:18:16 -05:00 committed by Greg Kroah-Hartman
parent 49cbb4820e
commit 8cdf4c346e
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sound/soc/sof/pm.c
View File

@ -327,8 +327,18 @@ int snd_sof_prepare(struct device *dev)
return 0;
#if defined(CONFIG_ACPI)
if (acpi_target_system_state() == ACPI_STATE_S0)
switch (acpi_target_system_state()) {
case ACPI_STATE_S0:
sdev->system_suspend_target = SOF_SUSPEND_S0IX;
break;
case ACPI_STATE_S1:
case ACPI_STATE_S2:
case ACPI_STATE_S3:
sdev->system_suspend_target = SOF_SUSPEND_S3;
break;
default:
break;
}
#endif
return 0;