20.02.2020 09:34, Sameer Pujar пишет: > ADMAIF is the interface between ADMA and AHUB. Each ADMA channel that > sends/receives data to/from AHUB must intreface through an ADMAIF channel. > ADMA channel sending data to AHUB pairs with an ADMAIF Tx channel and > similarly ADMA channel receiving data from AHUB pairs with an ADMAIF Rx > channel. Buffer size is configuranle for each ADMAIF channel, but currently > SW uses default values. > > This patch registers ADMAIF driver with ASoC framework. The component > driver exposes DAPM widgets, routes and kcontrols for the device. The DAI > driver exposes ADMAIF interfaces, which can be used to connect different > components in the ASoC layer. Makefile and Kconfig support is added to > allow to build the driver. The ADMAIF device can be enabled in the DT via > "nvidia,tegra210-admaif" compatible binding. > > Tegra PCM driver is updated to expose required PCM interfaces and > snd_pcm_ops callbacks. > > Signed-off-by: Sameer Pujar <spujar@xxxxxxxxxx> > --- ... > +int tegra_pcm_construct(struct snd_soc_component *component, > + struct snd_soc_pcm_runtime *rtd); > +void tegra_pcm_destruct(struct snd_soc_component *component, > + struct snd_pcm *pcm); > +int tegra_pcm_open(struct snd_soc_component *component, > + struct snd_pcm_substream *substream); > +int tegra_pcm_close(struct snd_soc_component *component, > + struct snd_pcm_substream *substream); > +int tegra_pcm_hw_params(struct snd_soc_component *component, > + struct snd_pcm_substream *substream, > + struct snd_pcm_hw_params *params); > +int tegra_pcm_hw_free(struct snd_soc_component *component, > + struct snd_pcm_substream *substream); > +int tegra_pcm_mmap(struct snd_soc_component *component, > + struct snd_pcm_substream *substream, > + struct vm_area_struct *vma); > +int tegra_pcm_trigger(struct snd_soc_component *component, > + struct snd_pcm_substream *substream, int cmd); Looks like this function doesn't exist.
