ASoC: SOF: pcm: add .ack callback support
Add the indirections required at the core level for platform-specific operations on ack. Note that on errors in the .ack the ALSA core will restore the previous appl_ptr. Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> 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/20211119230852.206310-4-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -487,6 +487,16 @@ snd_sof_pcm_platform_pointer(struct snd_sof_dev *sdev,
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return 0;
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}
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/* pcm ack */
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static inline int snd_sof_pcm_platform_ack(struct snd_sof_dev *sdev,
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struct snd_pcm_substream *substream)
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{
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if (sof_ops(sdev) && sof_ops(sdev)->pcm_ack)
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return sof_ops(sdev)->pcm_ack(sdev, substream);
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return 0;
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}
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
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static inline int
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snd_sof_probe_compr_assign(struct snd_sof_dev *sdev,
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@ -917,6 +917,14 @@ static void sof_pcm_remove(struct snd_soc_component *component)
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snd_soc_tplg_component_remove(component);
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}
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static int sof_pcm_ack(struct snd_soc_component *component,
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struct snd_pcm_substream *substream)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
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return snd_sof_pcm_platform_ack(sdev, substream);
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}
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void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
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{
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struct snd_soc_component_driver *pd = &sdev->plat_drv;
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@ -935,6 +943,7 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
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pd->hw_free = sof_pcm_hw_free;
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pd->trigger = sof_pcm_trigger;
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pd->pointer = sof_pcm_pointer;
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pd->ack = sof_pcm_ack;
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
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pd->compress_ops = &sof_probe_compressed_ops;
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@ -207,6 +207,9 @@ struct snd_sof_dsp_ops {
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snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
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struct snd_pcm_substream *substream); /* optional */
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/* pcm ack */
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int (*pcm_ack)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
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/* Except for probe_pointer, all probe ops are mandatory */
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int (*probe_assign)(struct snd_sof_dev *sdev,
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