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RanderWangbroonie
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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>
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sound/soc/sof/ipc4.c

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Original file line numberDiff line numberDiff line change
@@ -370,6 +370,17 @@ static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_
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if (!msg_data)
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return -EINVAL;
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if (!no_pm) {
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const struct sof_dsp_power_state target_state = {
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.state = SOF_DSP_PM_D0,
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};
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/* ensure the DSP is in D0i0 before sending a new IPC */
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ret = snd_sof_dsp_set_power_state(sdev, &target_state);
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if (ret < 0)
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return ret;
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}
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/* Serialise IPC TX */
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mutex_lock(&ipc->tx_mutex);
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