[alsa-devel] Question about struct snd_soc_dai() :: cpu_dai->codec

[Mark Brown]

On Thu, Jul 28, 2016 at 10:33:31PM +0200, Lars-Peter Clausen wrote:
> On 07/28/2016 05:46 AM, Vinod Koul wrote:

> > I agree, it makese no sense for devices to be hotplugged. And for
> > developement flows people can do rmmond and insmod. That works fine!

> I don't agree. In my opinion hot-plug is an essential feature of a
> modern device driver framework and if ASoC wants to claim to fall in
> this category we ought to support it. Hotplug is something that always
> pops up sooner or later. E.g. if someone puts a ASoC supported CODEC on
> a hot-pluggable device (maybe USB) we don't want to duplicate the code,
> but be able to reuse.

Right, so there's two bits to hotplug - there's hotplugging individual
components separately to the card and there's hotplugging cards en
masse including some of their components.  The latter case definitely
does make sense and should have a reasonable chance of working already.
Hotplugging individual components is much more of a nice to have, though
as you say if someone wants to implement it that's obviously not a
problem.
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