[PATCH 1/1][SRU][OEM-5.10/H/U] UBUNTU: SAUCE: ALSA: hda/cirrus: Set Initial DMIC volume for Bullseye to -26 dB

You-Sheng Yang vicamo.yang at canonical.com
Tue Apr 27 05:59:49 UTC 2021


From: Stefan Binding <sbinding at opensource.cirrus.com>

BugLink: https://bugs.launchpad.net/bugs/1923557

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 at opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr at opensource.cirrus.com>
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1923557
Reported-and-tested-by: You-Sheng Yang <vicamo.yang at canonical.com>
Cc: <stable at vger.kernel.org>
Link: https://lore.kernel.org/r/20210426163749.196153-2-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai at suse.de>
(backported from
https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=0e853a9c3937caa9f13fdde547d6202f92457c2b)
Signed-off-by: You-Sheng Yang <vicamo.yang at 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 5e938ab2bde3..075a2454b83b 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -2182,6 +2182,11 @@ static int cs8409_cs42l42_fixup(struct hda_codec *codec)
 	if (err < 0)
 		return err;
 
+	/* 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);
+
 	if (!snd_hda_gen_add_kctl(
 			&spec->gen, NULL, &cs8409_cs42l42_hp_volume_mixer))
 		return -1;
-- 
2.30.2




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