ASoC: Intel: Wait Baytrail ADSP boot at resume_early stage

Remove sst_byt_pcm_dev_resume() and move waiting of firmware boot into
sst_byt_pcm_dev_resume_early(). Now suspend_late and resume_early phases are
in sync with each other so that we know that ADSP was put into reset and was
unpowered after suspend_late and is ready to resume IO after resume_early
during resume stage in sst_byt_pcm_trigger().

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Borun Fu <borun.fu@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/intel/sst-baytrail-pcm.c b/sound/soc/intel/sst-baytrail-pcm.c
index ba7ed97..eb7b31e 100644 (file)
--- a/sound/soc/intel/sst-baytrail-pcm.c
+++ b/sound/soc/intel/sst-baytrail-pcm.c
@@ -423,18 +423,14 @@ static int sst_byt_pcm_dev_suspend_late(struct device *dev)
 static int sst_byt_pcm_dev_resume_early(struct device *dev)
 {
        struct sst_pdata *sst_pdata = dev_get_platdata(dev);
+       int ret;
 
        dev_dbg(dev, "resume early\n");
 
        /* load fw and boot DSP */
-       return sst_byt_dsp_boot(dev, sst_pdata);
-}
-
-static int sst_byt_pcm_dev_resume(struct device *dev)
-{
-       struct sst_pdata *sst_pdata = dev_get_platdata(dev);
-
-       dev_dbg(dev, "resume\n");
+       ret = sst_byt_dsp_boot(dev, sst_pdata);
+       if (ret)
+               return ret;
 
        /* wait for FW to finish booting */
        return sst_byt_dsp_wait_for_ready(dev, sst_pdata);
@@ -443,7 +439,6 @@ static int sst_byt_pcm_dev_resume(struct device *dev)
 static const struct dev_pm_ops sst_byt_pm_ops = {
        .suspend_late = sst_byt_pcm_dev_suspend_late,
        .resume_early = sst_byt_pcm_dev_resume_early,
-       .resume = sst_byt_pcm_dev_resume,
 };
 
 #define SST_BYT_PM_OPS (&sst_byt_pm_ops)