linux-kernel - Re: [RFC PATCH v3 1/4] ASoC: soc-card: export snd_soc_lookup_component

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Message-ID: <20200612080037.GA22422@Asurada-Nvidia>
Date:   Fri, 12 Jun 2020 01:00:38 -0700
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Shengjiu Wang <shengjiu.wang@....com>
Cc:     lars@...afoo.de, perex@...ex.cz, tiwai@...e.com,
        lgirdwood@...il.com, broonie@...nel.org, timur@...nel.org,
        Xiubo.Lee@...il.com, festevam@...il.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [RFC PATCH v3 1/4] ASoC: soc-card: export
 snd_soc_lookup_component_nolocked

On Fri, Jun 12, 2020 at 03:37:48PM +0800, Shengjiu Wang wrote:
> snd_soc_lookup_component_nolocked can be used for the DPCM case
> that Front-End needs to get the unused platform component but
> added by Back-End cpu dai driver.
> 
> If the component is gotten, then we can get the dma chan created
> by Back-End component and reused it in Front-End.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>

Reviewed-by: Nicolin Chen <nicoleotsuka@...il.com>