linux

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Kuninori Morimoto 547b02f74e

ASoC: rsnd: enable multi Component support for Audio Graph Card/Card2

+-- Basic Board ---------+
	|+--------+      +------+|
	|| CPU ch0| <--> |CodecA||
	||     ch1| <-+  +------+|
	|+--------+   |          |
	+-------------|----------+
	+-- expansion board -----+
	|             |  +------+|
	|             +->|CodecB||
	|                +------+|
	+------------------------+

In above HW connection case, we intuitively think we want to handle these
as "2 Sound Cards".

	card0,0: CPU-ch0 - CodecA
	card1,0: CPU-ch1 - CodecB

But, we needed to handle it as "1 big Sound Card", because of
Component vs Card limitation.

	card0,0: CPU-ch0 - CodecA
	card0,1: CPU-ch1 - CodecB

This patch enables multi Component to handle multi Cards.
To support it, it needs

	- Fill dai_args for each DAI on snd_soc_dai_driver
	- Parse DT for each Component (Simple Card/Audio Graph Card)

Ex) Simple Card

	rcar_sound {
		...

		/* Component0 */
		rcar_sound,dai@0 {
			...
		};

		/* Component1 */
		rcar_sound,dai@1 {
			...
		};
	};

Ex) Audio Graph Card/Card2

	rcar_sound {
		/* Component0 */
		ports@0 {
			...
		};

		/* Component1 */
		ports@1 {
			...
		};
	};

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87tttub1m4.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

2023-07-31 12:44:49 +01:00

rcar

ASoC: rsnd: enable multi Component support for Audio Graph Card/Card2

2023-07-31 12:44:49 +01:00

dma-sh7760.c

ASoC: sh: dma-sh7760: remove unused variable

2021-03-10 13:06:59 +00:00

fsi.c

ASoC: sh: fsi: Convert to platform remove callback returning void

2023-03-20 13:08:57 +00:00

hac.c

ASoC: sh: hac: Convert to platform remove callback returning void