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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https://bugs.launchpad.net/bugs/1523100
Title:
Alsa not detecting internal microphone [ALC255] (Realtek)
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