On Thu, Sep 21, 2023 at 1:53 AM Kuninori Morimoto
<kuninori.morimoto.gx@xxxxxxxxxxx> wrote:
>
> +-- ULCB -------------------+
> |+--------+ +--------+|
> || SSI0| <---> |ak4613 ||
> || SSI1| <---> | ||
> || | +--------+|
> || | +--------+|
> || SSI2| <---> |HDMI ||
> || | +--------+|
> || SSI3| <--+ |
> || SSI4| <-+| |
> |+--------+ || |
> +-------------||------------+
> +-- Kingfisher -------------+
> | || +--------+|
> | |+->|pcm3168a||
> | +-->| ||
> | +--------+|
> +---------------------------+
>
> On UCLB/KF, we intuitively think we want to handle these
> as "2 Sound Cards".
>
> card0,0: 1st sound of ULCB (SSI0 - ak4613)
> card0,1: 2nd sound of ULCB (SSI2 - HDMI)
> card1,0: 1st sound of KF (SSI3 - pcm3168a)
> ^ ^
>
> But, we needed to handle it as "1 big Sound Card",
> because of ASoC Component vs Card framework limitation.
>
> card0,0: 1st sound of ULCB/KF (SSI0 - ak4613)
> card0,1: 2nd sound of ULCB/KF (SSI2 - HDMI)
> card0,2: 3rd sound of ULCB/KF (SSI3 - pcm3168a)
> ^ ^
>
> Now ASoC support multi Component which allow us to handle "2 Sound Cards"
> such as "ULCB Sound Card" and "Kingfisher Sound Card".
>
> This patch updates all ULCB/KF Audio dtsi.
> One note is that Sound Card specification method from userland will be
> changed, especially for Kingfisher Sound.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
> v2 -> v3
> - fix type on git-log "framwork" -> framework"
> - fix comment-out style
> - "rcar_sound,dai" -> "rcar_sound,dai@0" on ulcb
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v6.7.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
