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ASoC: SOF: Intel: hda: Improve DSP state logging 

Improve the DSP power state logs with the state names
instead of values.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200325211233.27394-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ranjani Sridharan 2020-03-25 16:12:29 -05:00 committed by Mark Brown
parent 633fddee73
commit 66de6beb93
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 41 additions and 2 deletions
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43
sound/soc/sof/intel/hda-dsp.c
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@ -452,6 +452,46 @@ revert:
return ret;
}
/* helper to log DSP state */
static void hda_dsp_state_log(struct snd_sof_dev *sdev)
{
switch (sdev->dsp_power_state.state) {
case SOF_DSP_PM_D0:
switch (sdev->dsp_power_state.substate) {
case SOF_HDA_DSP_PM_D0I0:
dev_dbg(sdev->dev, "Current DSP power state: D0I0\n");
break;
case SOF_HDA_DSP_PM_D0I3:
dev_dbg(sdev->dev, "Current DSP power state: D0I3\n");
break;
default:
dev_dbg(sdev->dev, "Unknown DSP D0 substate: %d\n",
sdev->dsp_power_state.substate);
break;
}
break;
case SOF_DSP_PM_D1:
dev_dbg(sdev->dev, "Current DSP power state: D1\n");
break;
case SOF_DSP_PM_D2:
dev_dbg(sdev->dev, "Current DSP power state: D2\n");
break;
case SOF_DSP_PM_D3_HOT:
dev_dbg(sdev->dev, "Current DSP power state: D3_HOT\n");
break;
case SOF_DSP_PM_D3:
dev_dbg(sdev->dev, "Current DSP power state: D3\n");
break;
case SOF_DSP_PM_D3_COLD:
dev_dbg(sdev->dev, "Current DSP power state: D3_COLD\n");
break;
default:
dev_dbg(sdev->dev, "Unknown DSP power state: %d\n",
sdev->dsp_power_state.state);
break;
}
}
/*
* All DSP power state transitions are initiated by the driver.
* If the requested state change fails, the error is simply returned.
@ -511,8 +551,7 @@ set_state:
}
sdev->dsp_power_state = *target_state;
dev_dbg(sdev->dev, "New DSP state %d substate %d\n",
target_state->state, target_state->substate);
hda_dsp_state_log(sdev);
return ret;
}