This patch adds a snd_sof_dsp_power_down_notify() method which aims to
prepare the DSP for the upcoming power down.
This new function make use of SOF_IPC_PM_CTX_SAVE message.
Signed-off-by: Marcin Rajwa <marcin.rajwa@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20200515135958.17511-3-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
return ret;
}
+int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev)
+{
+ /* Notify DSP of upcoming power down */
+ if (sof_ops(sdev)->remove)
+ return sof_send_pm_ctx_ipc(sdev, SOF_IPC_PM_CTX_SAVE);
+
+ return 0;
+}
+
int snd_sof_runtime_suspend(struct device *dev)
{
return sof_suspend(dev, true);
int snd_sof_runtime_idle(struct device *dev);
int snd_sof_resume(struct device *dev);
int snd_sof_suspend(struct device *dev);
+int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev);
int snd_sof_prepare(struct device *dev);
void snd_sof_complete(struct device *dev);