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ASoC: SOF: ipc4: Wake up dsp core before sending ipc msg 

The driver shall update the power state to D0i0 before sending
a generic IPC. Power-related IPCs are the exception to the rule,
they may be sent even when the power-state is D0i3

Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-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>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230214103345.30669-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rander Wang 2023-02-14 12:33:43 +02:00 committed by Mark Brown
parent 3c168838fb
commit 1c91e927e5
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1 changed files with 11 additions and 0 deletions
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sound/soc/sof/ipc4.c
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@ -370,6 +370,17 @@ static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_
if (!msg_data)
return -EINVAL;
if (!no_pm) {
const struct sof_dsp_power_state target_state = {
.state = SOF_DSP_PM_D0,
};
/* ensure the DSP is in D0i0 before sending a new IPC */
ret = snd_sof_dsp_set_power_state(sdev, &target_state);
if (ret < 0)
return ret;
}
/* Serialise IPC TX */
mutex_lock(&ipc->tx_mutex);