[alsa-devel] [PATCH 0/2] ASoC: rsnd: tidyup .remove method

[Mark Brown]

On Tue, Feb 03, 2015 at 01:05:52AM +0000, Kuninori Morimoto wrote:
> > BTW, we found ALSA SoC bind/unbind issue on latest upstream kernel.
> > ALSA SoC is using like this.

> > 	[CPU] - [CARD] - [CODEC]

> > If we unbind CPU here, it still has CARD infomation.
> > And, kernel doesn't call initialize function when re-bind,
> > and it will panic when playback

> Is this open bug ?
> Or, Renesas sound only ?
> fsi/rsnd both have this issue.

I'm not aware of anything here - when we rebuild the card we should be
reinitializing everything.  It's possible this is just broken for
everyone though, most people don't unload devices and where they do they
tend to remove the card first.
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