Comment 134 for bug 1516025

(In reply to Raymond from comment #93)
> https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/
> Documentation/sound/alsa/HD-Audio.txt
>
>
>
> Early Patching
> ~~~~~~~~~~~~~~
> When CONFIG_SND_HDA_PATCH_LOADER=y is set, you can pass a "patch" as a
> firmware file for modifying the HD-audio setup before initializing the
> codec. This can work basically like the reconfiguration via sysfs in
> the above, but it does it before the first codec configuration.
>
> A patch file is a plain text file which looks like below:
>
> ------------------------------------------------------------------------
> [codec]
> 0x12345678 0xabcd1234 2
>
> [model]
> auto
>
> [pincfg]
> 0x12 0x411111f0
>

#my entry

options snd_hda_intel: patch=hda-jack-retask.fw

control.16 {
  iface CARD
  name 'Headset Mic Jack'
  value false
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }
> did you set the correct codec id and subsystem id and model
>
> since you need model dell-headset-multi to call the function
> alc_fixup_headset_mode_alc668 to init the headset
>
> and those pin fix to remove headphone mic by the original mic jack and
> subwoofer
> remove the headphone jack so that line out type =speaker for the 2.1 channel
> map

data form