linux-kernel - Re: [PATCH] ASoC: soc-pcm: fix hw->formats cleared by soc_pcm_hw

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Message-ID: <87r0ttdvmt.wl-kuninori.morimoto.gx@renesas.com>
Date:   Mon, 13 Mar 2023 06:15:54 +0000
From:   Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:     Shengjiu Wang <shengjiu.wang@...il.com>
Cc:     Shengjiu Wang <shengjiu.wang@....com>, lgirdwood@...il.com,
        broonie@...nel.org, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: soc-pcm: fix hw->formats cleared by soc_pcm_hw_init() for dpcm


Hi Shengjiu

>     But, it is doing same things under (A), too.
>     Do we need to initialize hw many times ? I'm not sure.
>     Can we simply remove soc_pcm_hw_init() from dpcm_runtime_setup_fe() ?
(snip)
> which only calls soc_pcm_init_runtime_hw() for non dpcm case.
> 
> So the initialization of hw is not many times.
>  
> For dpcm the code here will be skipped. The initialization happens
> only in dpcm_runtime_setup_fe().

Oh I see.
Thank you for clarify it.

Best regards
---
Kuninori Morimoto