linux-kernel - Re: [PATCH v2] ASoC: simple-card: Fix up checks for HW param fixups

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Date:   Wed, 19 Oct 2022 11:30:51 +0530
From:   Sameer Pujar <spujar@...dia.com>
To:     Aidan MacDonald <aidanmacdonald.0x0@...il.com>,
        lgirdwood@...il.com, broonie@...nel.org
Cc:     kuninori.morimoto.gx@...esas.com, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ASoC: simple-card: Fix up checks for HW param fixups


On 19-10-2022 06:53, Aidan MacDonald wrote:
> The "convert-xxx" properties only have an effect for DPCM DAI links.
> A DAI link is only created as DPCM if the device tree requires it;
> part of this involves checking for the use of "convert-xxx" properties.
>
> When the convert-sample-format property was added, the checks got out
> of sync. A DAI link that specified only convert-sample-format but did
> not pass any of the other DPCM checks would not go into DPCM mode and
> the convert-sample-format property would be silently ignored.
>
> Fix this by adding a function to do the "convert-xxx" property checks,
> instead of open-coding it in simple-card and audio-graph-card. And add
> "convert-sample-format" to the check function so that DAI links using
> it will be initialized correctly.
>
> Fixes: 047a05366f4b ("ASoC: simple-card-utils: Fixup DAI sample format")
> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
> ---
> v2: Rename helper function to asoc_simple_is_convert_required() as
>      suggested by Kuninori Morimoto.
>
>   include/sound/simple_card_utils.h     |  1 +
>   sound/soc/generic/audio-graph-card.c  |  2 +-
>   sound/soc/generic/simple-card-utils.c | 15 +++++++++++++++
>   sound/soc/generic/simple-card.c       |  3 +--
>   4 files changed, 18 insertions(+), 3 deletions(-)

Acked-by: Sameer Pujar <spujar@...dia.com>