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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - no sound after plugging in headphones/speakers, "Speaker+LO" volume is lowered to 0"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90491#c15">Comment # 15</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - no sound after plugging in headphones/speakers, "Speaker+LO" volume is lowered to 0"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90491">bug 90491</a>
              from <span class="vcard"><a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> <span class="fn">Raymond</span></a>
</span></b>
        <pre><a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda/patch_realtek.c?qt=grep&q=lifebook">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda/patch_realtek.c?qt=grep&q=lifebook</a>

ALC269_FIXUP_LIFEBOOK_HP_PIN

00:1b.0 0403: 8086:3b56 (rev 05)
    Subsystem: 10cf:159f



you need to add snd pci quirk for your lifebook since the driver expect     

/* The real HPs should have the sequence 0x0f */

When multiple HPs are defined
and no line-outs is found, the configurator tries to re-assign some pins
from HP list to line-out, judging from the sequence number.


you can try hdajackretask 

advanced override 


<a href="http://git.alsa-project.org/?p=alsa-tools.git;a=blob;f=hdajackretask/README;hb=HEAD">http://git.alsa-project.org/?p=alsa-tools.git;a=blob;f=hdajackretask/README;hb=HEAD</a></pre>
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