From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Add new case when set_power_state() is not supported, e.g. for Intel Baytrail/Cherrytrail legacy platforms. Tested-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> --- sound/soc/sof/pm.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c index 5e804a7728f5..92e5f9b15f3a 100644 --- a/sound/soc/sof/pm.c +++ b/sound/soc/sof/pm.c @@ -114,8 +114,12 @@ static int sof_resume(struct device *dev, bool runtime_resume) return ret; } - /* Nothing further to do if resuming from a low-power D0 substate */ - if (!runtime_resume && old_state == SOF_DSP_PM_D0) + /* + * Nothing further to be done for platforms that support the low power + * D0 substate. + */ + if (!runtime_resume && sof_ops(sdev)->set_power_state && + old_state == SOF_DSP_PM_D0) return 0; sdev->fw_state = SOF_FW_BOOT_PREPARE; -- 2.20.1
