linux-kernel - Re: [PATCH v3 1/9] ASoC: rt5514: Switch to snd_soc_register

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Date:   Fri, 18 Aug 2017 10:48:39 +0800
From:   jeffy <jeffy.chen@...k-chips.com>
To:     Mark Brown <broonie@...nel.org>
CC:     linux-kernel@...r.kernel.org, dgreid@...omium.org, heiko@...ech.de,
        briannorris@...omium.org, mka@...omium.org, dianders@...omium.org,
        Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
        Oder Chiou <oder_chiou@...ltek.com>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Bard Liao <bardliao@...ltek.com>
Subject: Re: [PATCH v3 1/9] ASoC: rt5514: Switch to snd_soc_register_codec

Hi Mark,

On 08/18/2017 01:11 AM, Mark Brown wrote:
> On Thu, Aug 17, 2017 at 12:44:09PM +0800, Jeffy Chen wrote:
>> Currently we are using devm_snd_soc_register_component, which would
>> use legacy dai name.
>
>> Switch to snd_soc_register_codec to use dai driver name.
>
> This is the wrong direction to be going in, we are trying to move all
> drivers to use component.  Whatever you want to do make components use
> it.
>

i was trying to make dai name use dai driver name:

         /*
          * Back in the old days when we still had component-less DAIs,
          * instead of having a static name, component-less DAIs would
          * inherit the name of the parent device so it is possible to
          * register multiple instances of the DAI. We still need to keep
          * the same naming style even though those DAIs are not
          * component-less anymore.
          */
         if (legacy_dai_naming &&
            (dai_drv->id == 0 || dai_drv->name == NULL)) {
                 dai->name = fmt_single_name(dev, &dai->id);
         } else {
                 dai->name = fmt_multiple_name(dev, dai_drv);


specify an non-zero id for dai driver works too, i'll do it in new 
patches :)