[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 #18 from Ivan <bsd at abinet.ru> ---
(In reply to Masachika ISHIZUKA from comment #17)
Do you know what they are doing here?
[ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE] = {
                .type = HDA_FIXUP_VERBS,
                .v.verbs = (const struct hda_verb[]) {
                        /* Disable pass-through path for FRONT 14h */
                        {0x20, AC_VERB_SET_COEF_INDEX, 0x36},
                        {0x20, AC_VERB_SET_PROC_COEF, 0x1737},
                        {}
},

0x20 looks like nid
So, it's a write hdaa_write_coef(dev, 0x20, AC_VERB_SET_COEF_INDEX, 0x36) ?

Defines:
#define AC_VERB_SET_PROC_COEF                   0x400
#define AC_VERB_SET_COEF_INDEX  0x500

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