Re: testing/selftests/alsa/mixer-test: 10 failures on Dell XPS 13 9360

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On Mon, 03 Jun 2024 13:38:18 +0200,
Mark Brown wrote:
> 
> On Fri, May 31, 2024 at 08:06:14PM +0200, Takashi Iwai wrote:
> > Mark Brown wrote:
> > > On Fri, May 31, 2024 at 05:17:43PM +0200, Takashi Iwai wrote:
> > > > On Fri, 31 May 2024 07:50:33 +0200,
> 
> > > I would say these are all bugs, they show the driver not correcting the
> > > value and allowing users to read back out of range values that were
> > > written.  Even if the driver is accepting out of range values I'd expect
> > > it to transform them somehow when storing, the program will accept a
> > > mismatched read when testing this case but it will complain if the read
> > > value is not valid according to the control's info.
> 
> > Ideally, yeah.  But it's a whack-a-mole game, and my gut feeling is
> > that it'd be better to enable the input validation globally, something
> > like below.
> 
> Yeah, I mean I tend to think the whole accepting invalid values thing is
> questionable to start off with so I do think that's a good idea.  That
> said we probably should still be fixing the drivers as well.

OK, I'm going to submit a patch set for addressing those.


Takashi




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