[Bug 219350] [snd_hda] ALC256: no sound out off headphones jack

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219350

--- Comment #5 from Nils Beyer <nbe at renzel.net> ---
I've switched OS to 11.1-RC3 - no change. Then I've patched
-----------------------------------------------------------------------
Index: sys/dev/sound/pci/hda/hdaa.c
===================================================================
--- sys/dev/sound/pci/hda/hdaa.c        (revision 321195)
+++ sys/dev/sound/pci/hda/hdaa.c        (working copy)
@@ -535,7 +535,7 @@
        struct hdaa_audio_as *as;
        uint32_t res;
        int connected, old;
-
+       return;
        if (w->enable == 0 || w->type !=
            HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                return;
@@ -685,7 +685,7 @@
        struct hdaa_devinfo *devinfo = w->devinfo;
        uint32_t res;
        int i;
-
+       return;
        if (w->enable == 0 || w->type !=
            HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                return;
-----------------------------------------------------------------------

so that software jack sensing is disabled.

Still no change; I can hear sound out of the headphones short before the plug
is completely inserted. Pushing it in completely makes the sound go away.

It seems to be a hardware bug/feature...

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