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    Subject[PATCH 5.18 155/158] ASoC: SOF: pm: add explicit behavior for ACPI S1 and S2
    Date
    From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

    commit a933084558c61cac8c902d2474b39444d87fba46 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>
    ---
    sound/soc/sof/pm.c | 12 +++++++++++-
    1 file changed, 11 insertions(+), 1 deletion(-)

    --- a/sound/soc/sof/pm.c
    +++ b/sound/soc/sof/pm.c
    @@ -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;

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