Re: ALSA: scarlett2: Default on?

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On Thu, 24 Jun 2021 17:47:39 +0200,
Geoffrey D. Bennett wrote:
> 
> On Wed, Jun 23, 2021 at 08:39:24AM +0200, Takashi Iwai wrote:
> [...]
> > OK, now all patches have been merged.
> 
> Thanks!
> 
> I would next like to consider how we can enable this mixer driver by
> default. I originally added the device_setup=1 gate because there were
> reports of the driver making the interface hang. These were all traced
> back to the problem which was resolved with the commit "Fix device
> hang with ehci-pci". That commit fixed the issue for those who had
> reported it and since then there have been no more reports that the
> mixer driver causes any issues.
> 
> Simply removing the device_setup=1 check would leave users with no way
> to disable the driver in case that turns out to be necessary for some
> reason though, so I don't think that's a good idea.

They can blacklist snd-usb-audio, either the module itself (if it's
the only device), or with enable option of snd-usb-audio module, if
there are multiple devices bound with the driver.

> What I think would be the best option would be to have the driver as
> its own loadable module. Does this sound like a good idea to you?

I'm not against splitting, but that is no solution at all, per se.


Takashi



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