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

[Mark Brown <broonie@xxxxxxxxxx>]

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.

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