Re: [alsa-devel] [PATCH] ASoC: ams-delta: fix card initalization failure

From: Janusz Krzysztofik
Date: Wed Aug 29 2012 - 01:12:59 EST


On Tue, 28 Aug 2012 11:13:39 Mark Brown wrote:
> On Tue, Aug 28, 2012 at 05:13:05PM +0200, Janusz Krzysztofik wrote:
> > On Mon, 27 Aug 2012 14:38:35 Mark Brown wrote:
> > > On Mon, Aug 27, 2012 at 11:28:30PM +0200, Janusz Krzysztofik wrote:
>
> > > > - platform_set_drvdata(ams_delta_audio_platform_device,
> > > > - &ams_delta_audio_card);
>
> > > The real fix here is that you should be using platform data here,
not
> > > driver data. Is there some reason not to do that?
>
> > Do you think the change you propose is suitable for the rc cycle?
I'm
> > trying to fix a regression in the first place. Converting the ams-
delta
> > asoc to a platform driver is on my todo list and I'm going to take
care
> > of this as soon as I have enough spare time.
>
> The above looks like you already have a platform driver? All I'm
> suggesting is changing the above to use platform rather than driver
> data.

The ams-delta asoc driver doesn't use snd_soc_register_card() so far,
but relays solely on soc_probe() doing this for it, which in turn
expects to find a snc_soc_card structure in drvdata. How is it supposed
to find that structure if I pass it over platform data instead? Am I
missing something?

Thanks,
Janusz
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