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SubjectRe: [PATCH v3 1/2] ALSA: Added jack detection KControl support
On Fri, Aug 09, 2013 at 03:52:04PM +0200, Takashi Iwai wrote:

> Above all, the multiple indices don't work anyway with the snd_jack
> stuff in the current form. The index was introduced only for kjack,
> and for HD-audio, snd_jack is provided just for a compatibility
> reason, thus it doesn't matter much even if the multiple indices don't
> work with it.

> That being said, before going further, we need to consider how to
> handle the input jack stuff with multiple indices.

What's the big problem with indexes and input (hopefully also extcon...)
reporting?

> > - snprintf(jack->name, sizeof(jack->name), "%s %s",
> > + snprintf(jack->name, sizeof(jack->name), "%s %s Jack",
> > card->shortname, jack->id);

> This breaks the compatibility with the existing code.
> You must not change the name of the existing input jack element.
> Some drivers create "Headphone" and some do "Headphone Jack", yes.
> It's bad, but too late to change.

We can probably do something cheap like just check if there's a "Jack"
already in the name?
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