From: Stefan Binding sbinding@opensource.cirrus.com
After booting for first time on Bullseye, the DMIC is currently muted. Instead, the DMIC volume should be set to a valid initial value.
Tested on DELL Inspiron-3505, DELL Inspiron-3501, DELL Inspiron-3500
Signed-off-by: Stefan Binding sbinding@opensource.cirrus.com Signed-off-by: Vitaly Rodionov vitalyr@opensource.cirrus.com BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1923557 Reported-and-tested-by: You-Sheng Yang vicamo.yang@canonical.com --- sound/pci/hda/patch_cirrus.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 5d57096b3a95..a4f82f147ff3 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -2172,6 +2172,11 @@ static void cs8409_cs42l42_fixups(struct hda_codec *codec, (get_wcaps(codec, CS8409_CS42L42_AMIC_PIN_NID) | AC_WCAP_UNSOL_CAP)); break; case HDA_FIXUP_ACT_PROBE: + + /* Set initial volume on Bullseye to -26 dB */ + if (codec->fixup_id == CS8409_BULLSEYE) + snd_hda_codec_amp_init_stereo(codec, CS8409_CS42L42_DMIC_ADC_PIN_NID, + HDA_INPUT, 0, 0xff, 0x19); snd_hda_gen_add_kctl(&spec->gen, NULL, &cs8409_cs42l42_hp_volume_mixer); snd_hda_gen_add_kctl(&spec->gen,