[alsa-devel] Realtek model parser problem with the new jack detection

Takashi Iwai tiwai at suse.de
Thu Jan 19 11:35:23 CET 2012

At Wed, 18 Jan 2012 17:28:32 +0100,
David Henningsson wrote:
> Hi Takashi,
> I'm troubleshooting a problem with the Realtek quirk/model parsers. The 
> problem is basically that add_jack_kctls call 
> snd_hda_jack_detect_enable, which in turn overwrites the current unsol tag.
> E g, first the model parser sets a pin to AC_USRSP_EN | ALC_HP_EVENT, 
> then comes snd_hda_jack_detect_enable and does AC_USRSP_EN | jack->tag.
> I'm not sure of the best way to resolve this; either keep the current 
> tag (and mark all jacks as dirty on an unsol event), or read back the 
> current tag and set it as jack->action (and then always use the jack 
> table). What do you think?

I think a safer way is to avoid calling snd_hda_jack_add_kctls()
for non-auto-parser, and let quirks use its own unsol_event handler
instead of alc_sku_unsol_event().  snd_hda_jack_detect() itself works
both with or without jack-kctls.

I'll fix up the upstream tree.



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