ALSA: hda/via: Add minimum mute flag

commit 67ea698c3950d10925be33c21ca49ffb64e21842 upstream.

It turned out that VIA codecs also mute the sound in the lowest mixer
level.  Turn on the dac_min_mute flag to indicate the mute-as-minimum
in TLV like already done in Conexant and IDT codecs.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210559
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210114072453.11379-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 0ab40a8..834367d 100644 (file)
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -113,6 +113,7 @@ static struct via_spec *via_new_spec(struct hda_codec *codec)
                spec->codec_type = VT1708S;
        spec->gen.indep_hp = 1;
        spec->gen.keep_eapd_on = 1;
+       spec->gen.dac_min_mute = 1;
        spec->gen.pcm_playback_hook = via_playback_pcm_hook;
        spec->gen.add_stereo_mix_input = HDA_HINT_STEREO_MIX_AUTO;
        codec->power_save_node = 1;