Re: patch driver-core-warn-about-duplicate-driver-names-on-the-same-bus.patch added to gregkh-2.6 tree

[Takashi Iwai]

At Fri, 02 May 2008 20:22:23 +0400,
Stas Sergeev wrote:
> 
> Hello.
> 
> Takashi Iwai wrote:
> >> Another point is PM callbacks. Somehow
> >> snd-pcsp will have to register them with
> >> pcspkr.
> > Hmm, isn't platform PM hook enough?
> > pcspkr.c just sends an event at suspend or shutdown to the event
> > handler.  So, if the event was shut up at the beginning in the
> > handler, nothing would be needed.
> I don't think I understand what you mean...
> Currently, pcspkr.c just stops the timer
> counter to shut up the beep.
> snd-pcsp needs more. snd_pcm_suspend_all()
> for instance. Since it doesn't register
> itself as a platform driver any more, he
> have to register itself into pcspkr.c.
> Or?

If snd-pcsp can hook up input pcspkr dynamically, you can (should)
register snd-pcsp as a different name, as an individual platform
driver.  Then the whole PM stuff would still belong to snd-pcsp.


Takashi
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