Comment 144 for bug 1332900

(In reply to Raymond from comment #105)
> the only way to test the headset mic is modify patch_realtek.c
>
> the driver's pin fixup will add the missing pin and you don't need those
> user pin fixup anymore by remove patch=*.fw in alsa-base.conf
>
>
>
>
> the driver disable auto mic selection when there is internal mic, headset
> mic and external mic after you add the headset mic pin
>
>
> mux pin (capture source control) in alsamixer determine the role of the
> combo jack is a headset or headphone
>
> the current logic still not handle the external mic correctly and default to
> headphone
>
>
> if (!snd_hda_jack_detect(codec, hp_pin))
> new_headset_mode = ALC_HEADSET_MODE_UNPLUGGED;
> else if (mux_pin == spec->headset_mic_pin)
> new_headset_mode = ALC_HEADSET_MODE_HEADSET;
> else if (mux_pin == spec->headphone_mic_pin)
> new_headset_mode = ALC_HEADSET_MODE_MIC;
> else
> new_headset_mode = ALC_HEADSET_MODE_HEADPHONE;
>
>
>
> Sysfs Files !!-----------
>
> /sys/class/sound/hwC0D0/init_pin_configs:
> 0x12 0x99a30140
> 0x14 0x90170110
> 0x15 0x0321101f
> 0x16 0x03211020
> 0x18 0x40030008
> 0x19 0x03a11030
> 0x1a 0x411111f0
> 0x1b 0x411111f0
> 0x1d 0x41000001
> 0x1e 0x411111f0
> 0x1f 0x411111f0
>
> /sys/class/sound/hwC0D0/driver_pin_configs:
>
> /sys/class/sound/hwC0D0/user_pin_configs:
> 0x12 0x99a30140
> 0x14 0x90170110
> 0x15 0x0321101f
> 0x16 0x411111f0
> 0x18 0x40030008
> 0x19 0x03a11030
> 0x1a 0x90170111
> 0x1b 0x411111f0
> 0x1d 0x41000001
> 0x1e 0x411111f0
> 0x1f 0x411111f0

The only jack working now is the Headset jack the other 2 do nothing at all but that’s ok