Re: [PATCH v2 4/7] ASoC: mediatek: common: soundcard driver add dai_fmt support

[Alexandre Mergnat <amergnat@baylibre.com>]

On 23/05/2023 04:19, Trevor Wu wrote:
> There are two changes included in the patch.
> 
> First, add set_dailink_daifmt() function, so dai_fmt can be updated by
> the configuration in dai-link sub node.
> 
> Second, remove codec phandle from required property in dai-link sub node.
> For example, user possibly needs to update dai-format for all etdm
> co-clock dai-links, but codec doesn't need to be specified in capture
> dai-link for a speaker amp.
> 
> Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
> ---
>   .../mediatek/common/mtk-soundcard-driver.c    | 49 ++++++++++++++++++-
>   1 file changed, 48 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.c b/sound/soc/mediatek/common/mtk-soundcard-driver.c
> index 738093451ccb..5e291092046b 100644
> --- a/sound/soc/mediatek/common/mtk-soundcard-driver.c
> +++ b/sound/soc/mediatek/common/mtk-soundcard-driver.c
> @@ -22,7 +22,7 @@ static int set_card_codec_info(struct snd_soc_card *card,
>   
>   	codec_node = of_get_child_by_name(sub_node, "codec");
>   	if (!codec_node)
> -		return -EINVAL;

IMO, the debug or info print should be welcome here because the behavior
change: dai link info parse will not stop if the codec node is NULL.
That could help to understand what is happening during init.



Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>

-- 
Regards,
Alexandre