sound/soc/soc-generic-dmaengine-pcm.c

76 static int dmaengine_pcm_hw_params(struct snd_soc_component *component,
80 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
98 dmaengine_pcm_set_runtime_hwparams(struct snd_soc_component *component,
102 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
148 static int dmaengine_pcm_open(struct snd_soc_component *component,
151 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
155 	ret = dmaengine_pcm_set_runtime_hwparams(component, substream);
162 static int dmaengine_pcm_close(struct snd_soc_component *component,
168 static int dmaengine_pcm_trigger(struct snd_soc_component *component,
175 	struct snd_soc_component *component,
179 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
219 static int dmaengine_pcm_new(struct snd_soc_component *component,
222 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
224 	struct device *dev = component->dev;
250 				component, rtd, substream);
254 			dev_err(component->dev,
279 	struct snd_soc_component *component,
282 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
290 static int dmaengine_copy(struct snd_soc_component *component,
296 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
437 	pcm->component.debugfs_prefix = "dma";
445 		pcm->component.name = config->name;
456 	ret = snd_soc_component_initialize(&pcm->component, driver, dev);
460 	ret = snd_soc_add_component(&pcm->component, NULL, 0);
482 	struct snd_soc_component *component;
485 	component = snd_soc_lookup_component(dev, SND_DMAENGINE_PCM_DRV_NAME);
486 	if (!component)
489 	pcm = soc_component_to_pcm(component);
491 	snd_soc_unregister_component_by_driver(dev, component->driver);