[alsa-devel] [Patch v2 3/4] ASoC: atmel-ssc-dai: register platform from DAIs

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Nov 6 09:53:09 CET 2012

On Tue, Nov 06, 2012 at 01:39:12PM +0800, Bo Shen wrote:
> On 11/5/2012 13:25, Bo Shen wrote:

Note that there's less than 24 hours between these two mails...

> >Sorry for misunderstand. I split your e-mail into two parts. May be you
> >miss some parts of my e-mail. You can check the last mail from me. Or
> >check the following fully quote.

> Anyway, I will sent out a RFC patch series (which will be v3) which
> register dai and platform directly in Linux.

> > > This seems to be a purely virtual device which remaps the SSC onto the
> > > Linux audio subsystem?  If that is the case then it shouldn't appear in
> > > the device tree,

> >Yes. This is a purely virtual device. I add this as to the following
> >reason.

> >In our case, the ssc can connect to audio codec, DAC and other devices.
> >In order to avoid duplicate the code, so keep ssc as a library, register
> >it directly in Linux and use remap method to let it work onto other
> >different subsystem.

The whole point here is that this remapping shouldn't appear in the
device tree since it's a purely Linux internal issue, the code that uses
the SSC should have a reference to the SSC and then do whatever
remapping is required.
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