linux-kernel - Re: [PATCH v2 14/16] ASoC: fsl_ssi: Remove cpu_dai_drv from fsl

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Date:   Sun, 14 Jan 2018 16:13:06 -0800
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
Cc:     timur@...i.org, broonie@...nel.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, alsa-devel@...a-project.org,
        lgirdwood@...il.com, fabio.estevam@....com, caleb@...me.org,
        arnaud.mouiche@...oxia.com, lukma@...x.de, kernel@...gutronix.de
Subject: Re: [PATCH v2 14/16] ASoC: fsl_ssi: Remove cpu_dai_drv from fsl_ssi
 structure

On Sun, Jan 14, 2018 at 11:42:59PM +0100, Maciej S. Szmigiero wrote:
> On 11.01.2018 07:43, Nicolin Chen wrote:
> > The cpu_dai_drv is only used for symmetric_rates. So this patch replaces
> > it with a synchronous boolean flag.
> 
> You make cpu_dai_drv common to all SSI instances instead of per-instance.
> 
> What if you have multiple SSIs in the system with different
> symmetric_{rates,samplebits,channels} settings?

Good catch...it should maintain each cpu_dai_drv separately. Thanks!