Re: [PATCH] ASoC: rt5682: Add jack kcontrol

[Mark Brown]

On Fri, Apr 08, 2022 at 02:16:41AM +0900, Akihiko Odaki wrote:
> On 2022/04/08 1:37, Mark Brown wrote:

> > Look at how other devices with jack detection hardware handle this and
> > follow a similar pattern.

> The situation actually seems quite a mess. You can find many drivers not
> using DAPM pins by searching for snd_soc_card_jack_new() calls with num_pins
> argument is 0. ams-delta-audio is exceptional as it adds DAPM pins later
> with snd_soc_jack_add_pins().

Sure, I'm not surprised there's some buggy drivers.

> They do not have kcontrols for the jacks. The only exception is
> skl_hda_dsp_generic which calls snd_jack_add_new_kctl() as my patch does.
> Looking at other devices is probably not helpful to find an alternative in
> this case.

The first driver I randomly picked when searching was
sound/soc/intel/boards/skl_rt286.c which seems to DTRT here, you can
also see sound/soc/samsung/speyside.c for another example.

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