[alsa-devel] [PATCH linux-next 10/10] ASoC: rsnd: Add kctrl to configure dai's busif

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Fri Sep 28 02:29:59 CEST 2018


Hi Jiada

Thank you for your patch

> ssi0, ssi1, ssi2, ssi3, ssi4 and ssi9 have busif0 to busif7,
> currently only busif0 is used by all ssi.
> But tdm split and tdm ex-split mode, which require busif1 to
> busif7.
> 
> This patch adds kctrl in ssi for dai-link, to make it possible
> to configure the busif used by each dai-link.
> Also adds rsnd_dma_addr_update() interface to make it possible
> to update dma data address when there is change in condition
> of dai connection.
> 
> Signed-off-by: Jiada Wang <jiada_wang at mentor.com>
> ---

Do we really need to select BUSIF number by kctrl ??
In other words, does *all* user need to know detail of SSI BUSIF connection ?
I think it should be selected automatically somehow.



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