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Date:      Mon, 07 May 2018 09:35:28 +0000
From:      bugzilla-noreply@freebsd.org
To:        multimedia@FreeBSD.org
Subject:   [Bug 219350] [snd_hda] ALC256: no sound out off headphones jack
Message-ID:  <bug-219350-12827-B3Imy8doxh@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-219350-12827@https.bugs.freebsd.org/bugzilla/>
References:  <bug-219350-12827@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219350

--- Comment #18 from Ivan <bsd@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] =3D {
                .type =3D HDA_FIXUP_VERBS,
                .v.verbs =3D (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

--=20
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