Re: [PATCH] ASoC: ti: Allocate dais dynamically for TDM and audio graph card

[Kuninori Morimoto]

Hi

> > According to
> > Documentation/devicetree/bindings/sound/audio-graph-card.txt
> > it should be something like this:
> > &mcbsp3 {
> >         #sound-dai-cells = <0>;
> >         pinctrl-names = "default";
> >         pinctrl-0 = <&mcbsp3_pins>;
> >         status = "okay";
> > 
> >         ports {
> > 		#address-cells = <1>;
> > 		#size-cells = <0>;
> >                 port@0 {
> > 			reg = <0>;
> > 
> > 			cpu_dai3: endpoint@0 {
> > 				dai-format = "dsp_a";
> > 				frame-master = <&cpcap_audio_codec1>;
> > 				bitclock-master = <&cpcap_audio_codec1>;
> > 				remote-endpoint = <&cpcap_audio_codec1>;
> > 			};
> > 
> > 			cpu_dai_mdm: endpoint@1 {
> > 				dai-format = "dsp_a";
> > 				frame-master = <&cpcap_audio_codec1>;
> > 				bitclock-master = <&cpcap_audio_codec1>;
> > 				remote-endpoint = <&mot_mdm6600_audio_codec0>;
> > 			};
> > 		};
> > 	};
> > };
(snip)
> > I guess Morimoto-san can explain if he carries out of tree patches to
> > get the described setup working on top of mainline...

# I think ALSA ML is rejecting mail (?),
# I couldn't find original patch / Mail and Discussion at ALSA ML.
# Thus, I'm not 100% understanding what is the issue...

I confirmed attached patch on my local platform (= Renesas ULCB + KF board),
and it works well for me on at least v5.5 kernel.

--- kernel log --------------
...
[    2.184193] rcar_sound ec500000.sound: probed
...
[    2.227837] asoc-audio-graph-card sound: ak4613-hifi <-> rsnd-dai.0 mapping ok
[    2.235474] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.2 mapping ok
[    2.243472] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.3 mapping ok
[    2.251463] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.4 mapping ok
[    2.259451] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.5 mapping ok
[    2.267448] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.6 mapping ok
[    2.275439] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.7 mapping ok
[    2.283429] asoc-audio-graph-card sound: snd-soc-dummy-dai <-> rsnd-dai.8 mapping ok
[    2.291460] asoc-audio-graph-card sound: pcm3168a-dac <-> snd-soc-dummy-dai mapping ok
[    2.299460] asoc-audio-graph-card sound: pcm3168a-adc <-> snd-soc-dummy-dai mapping ok
...
[    5.479675] ALSA device list:
[    5.482694]   #0: rcar-sound
...

--- local patch -------------------