Re: [alsa-devel] [PATCH 3/4] Add Wolfson Microelectronics WM8776 codec ALSA driver

[Takashi Iwai]

At Tue, 17 Apr 2012 20:15:06 +0200,
Ondrej Zary wrote:
> 
> On Tuesday 17 April 2012 20:06:19 Takashi Iwai wrote:
> > At Tue, 17 Apr 2012 18:04:31 +0100,
> >
> > Mark Brown wrote:
> > > On Tue, Apr 17, 2012 at 06:52:49PM +0200, Takashi Iwai wrote:
> > > > Mark Brown wrote:
> > > > > This isn't just adding something into a specific driver which fails
> > > > > at abstraction, it's adding generic code.  If it were adding
> > > > > something to the ice17xx driver then that'd be one thing but look at
> > > > > the subject line and location of the file...  this stuff should be
> > > > > buried inside the driver if it's too painful to make the driver sane.
> > > >
> > > > The codes in sound/i2c are mostly oly for ice1712/ice1724 drivers
> > > > after all...  They could be used by others, but I don't think there
> > > > will be any more at this point.
> > >
> > > If they're specific to that driver we should make them specific to that
> > > driver and make sure the pain is confined there.  We really don't want
> > > to end up going back to the bad old days of having to do per-CPU/card
> > > drivers for CODECs because nobody had thought to abstract this stuff,
> > > that just makes everyone miserable.
> > >
> > > Looking at these commits I'd not expect anyone to figure out that this
> > > isn't how we want or expect people to add generic CODEC drivers.
> >
> > Yeah, these stuff can be better put in pci/ice1712/ directory only
> > for ice1724 driver.  In that way, you can avoid unnecessary exported
> > symbols, too.
> 
> Xonar (oxygen) has a private version of these drivers too. It could be 
> converted to use common code instead.

Hm, only if the generated controls do match with your case,..
It's case by case, especally if there is only one another candidate.


Takashi
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