ALSA: hda/realtek - Fix overridden device-specific initialization

The recent change to shuffle the codec initialization procedure for
Realtek via commit 607ca3bd220f ("ALSA: hda/realtek - EAPD turn on
later") caused the silent output on some machines.  This change was
supposed to be safe, but it isn't actually; some devices have quirk
setups to override the EAPD via COEF or BTL in the additional verb
table, which is applied at the beginning of snd_hda_gen_init().  And
this EAPD setup is again overridden in alc_auto_init_amp().

For recovering from the regression, tell snd_hda_gen_init() not to
apply the verbs there by a new flag, then apply the verbs in
alc_init().

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204727
Fixes: 607ca3bd220f ("ALSA: hda/realtek - EAPD turn on later")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 5bf24fb819d28f12cb00012dd73aa65db65c60cc..10d502328b76eee5e480a777f691e29fd2884d23 100644 (file)
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -6009,7 +6009,8 @@ int snd_hda_gen_init(struct hda_codec *codec)
        if (spec->init_hook)
                spec->init_hook(codec);
 
-       snd_hda_apply_verbs(codec);
+       if (!spec->skip_verbs)
+               snd_hda_apply_verbs(codec);
 
        init_multi_out(codec);
        init_extra_out(codec);

diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h
index 5f199dcb0d188eb62ff84fac843e6a94bb027e57..fb9f1a90238bfb67d2a8079bf11b3dc012f86294 100644 (file)
--- a/sound/pci/hda/hda_generic.h
+++ b/sound/pci/hda/hda_generic.h
@@ -243,6 +243,7 @@ struct hda_gen_spec {
        unsigned int indep_hp_enabled:1; /* independent HP enabled */
        unsigned int have_aamix_ctl:1;
        unsigned int hp_mic_jack_modes:1;
+       unsigned int skip_verbs:1; /* don't apply verbs at snd_hda_gen_init() */
 
        /* additional mute flags (only effective with auto_mute_via_amp=1) */
        u64 mute_bits;

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e333b3e30e316034420b1dd4e24e031d18812b3d..03f903f9247d324c2c8eb3971c107dd7bc1b5958 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -837,9 +837,11 @@ static int alc_init(struct hda_codec *codec)
        if (spec->init_hook)
                spec->init_hook(codec);
 
+       spec->gen.skip_verbs = 1; /* applied in below */
        snd_hda_gen_init(codec);
        alc_fix_pll(codec);
        alc_auto_init_amp(codec, spec->init_amp);
+       snd_hda_apply_verbs(codec); /* apply verbs here after own init */
 
        snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);