Same problem here, Acer Aspire VN7-792G
00:1f.3 Multimedia audio controller: Intel Corporation Sunrise Point-H
HD Audio (rev 31)
dvitali@denvit-ws1:~ $ aplay -L
-1-
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
sysdefault:CARD=PCH
HDA Intel PCH, ALC255 Analog
Default Audio Device
front:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
Front speakers
surround21:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=PCH,DEV=0
HDA Intel PCH, ALC255 Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=PCH,DEV=0
HDA Intel PCH, HDMI 0
HDMI Audio Output
hdmi:CARD=PCH,DEV=1
HDA Intel PCH, HDMI 1
HDMI Audio Output
hdmi:CARD=PCH,DEV=2
HDA Intel PCH, HDMI 2
HDMI Audio Output
------
Linux denvit-ws1 4.10.3-1-ARCH #1 SMP PREEMPT Wed Mar 15 09:17:17 CET 2017
x86_64 GNU/Linux
------
dvitali@denvit-ws1:~ $ cat /proc/asound/cards
-1-
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x84320000 irq 129
-----
pacman -Q | grep ^alsa
alsa-lib 1.1.3-1
alsa-plugins 1.1.1-1
alsa-utils 1.1.3-2
alsaequal 0.6-16
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1523100
Title:
Alsa not detecting internal microphone [ALC255] (Realtek)
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
I've just installed Ubuntu 16.04 alongside Windows 10 on a 64bit Acer
Aspire VN7-792G and noticed, that the internal microphone doesn't
work. The computer has been released a couple of months ago and it's
Intel Skylake -based with a Sunrise Point -based motherboard.
INFO: The problem exists in Ubuntu 15.10 too, only microphone jack
detected. Currently using Ubuntu 16.04 for proper hardware support.
Alsa reports the audio device to be:
Card: HDA Intel PCH
Chip: Intel Skylake HDMI
The speakers are working fine, but both alsamixer and pavucontrol
(Pulseaudio Volume Control) raport the unplugged external microphone
connector as the only sound input.
I have tried many of the alsa model configurations (options snd-hda-
intel model=something) without success, alsa finds only the microphone
jack, which works fine when I plug an external microphone in it.
Here's some info:
lspci | grep -I audio:
00:1f.3 Multimedia audio controller: Intel Corporation Sunrise Point-H
HD Audio (rev 31)
cat /proc/asound/cards:
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x84320000 irq 128
And a clip from dmesg | grep snd:
[ 3.019164] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915])
[ 3.047505] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC255:
line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 3.047508] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0
(0x0/0x0/0x0/0x0/0x0)
[ 3.047510] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1
(0x21/0x0/0x0/0x0/0x0)
[ 3.047511] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
[ 3.047512] snd_hda_codec_realtek hdaudioC0D0: dig-out=0x1e/0x0
[ 3.047512] snd_hda_codec_realtek hdaudioC0D0: inputs:
[ 3.047514] snd_hda_codec_realtek hdaudioC0D0: Mic=0x1a
One problem is that I can't find any model options (options snd-hda-
intel model=something) or other parameters for the card's model
(ALC255), I suppose this issue is relatively new.
/Dennis
---
ApportVersion: 2.19.2-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dennis 1180 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2015-11-11 (23 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64
(20151110)
Package: alsa-driver (not installed)
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Tags: xenial
Uname: Linux 4.2.0-19-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 09/25/2015
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.02
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire VN7-792G
dmi.board.vendor: Acer
dmi.board.version: V1.02
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.02
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.02:bd09/25/2015:svnAcer:pnAspireVN7-792G:pvrV1.02:rvnAcer:rnAspireVN7-792G:rvrV1.02:cvnAcer:ct10:cvrV1.02:
dmi.product.name: Aspire VN7-792G
dmi.product.version: V1.02
dmi.sys.vendor: Acer
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