[alsa-devel] [PATCH] ASoC: core - make IO calls return a valid errno on failure.

[Liam Girdwood]

On Mon, 2011-07-25 at 23:22 +0200, Mark Brown wrote:
> On Mon, Jul 25, 2011 at 11:15:59AM +0100, Liam Girdwood wrote:
> > IO call failures should return an errno instead of -1
> 
> Yeah, it really should but it's kind of tricky for the reads as we're
> returning errors in band and we could have 32 bit registers (I'm
> guessing the platform versions already do) so we lose.  :/  Not sure
> what the best thing to do there is, changing to return the errors out of
> band for reads is more painful than I care to contemplate.

Oh, I agree it would be painful for a rework here. But why did you
suggest this sort of update in a previous patch comment ? (Unless I
misunderstood).

Liam