> > > > + return 1; > > > > > > The put callback is supposed to return 0 if the values are unchanged > > > (although most apps ignore the return value). > > > > Does it have to? This way there's an event, but... > > Yes, in principle. As mentioned, it works even without the check, > though. Hmm. I thought it worked like this: 0 -> no change 1 -> change applied, and other apps are notified, 0 returned to the app -err -> error returned to app Is that wrong? > Well, I meant the position of asterisk to follow the conventional C > coding style. Of course it should be static. Ah. Yeah, I'll see to that and probably just Lindent the files (cleaning up after it...) > The driver should give up the initialization and fail to load. > Usually the error from snd_ctl_add() is critical, either no memory or > a duplicated control element is found. Hmm, that's a bit hard to do since the driver here consists of more than one module, but I suppose I can do something about it. johannes
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