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Topic: amixer: Unable to find simple control 'Master',0 (Read 2899 times) previous topic - next topic
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amixer: Unable to find simple control 'Master',0

I've just installed ArtixLinux base on my MSI Alpha 17 B5EEK and everything works fine except the audio. For some reason, Amixer won't show Master control and I don't have any sound. I have installed alsa-lib alsa-topology-conf alsa-ucm-conf alsa-utils. Here is Amixer's output
Code: [Select]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958',1
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958',2
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958',3
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Here is aplay -l output
Code: [Select]
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: Generic_1 [HD-Audio Generic], device 0: ALC233 Analog [ALC233 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
Picture posted is my alsamixer
Thank you for your help!

Re: amixer: Unable to find simple control 'Master',0

Reply #1 –
Hello,

Have you tried setting the sound card to use?

I think you know the procedure, but I list below my modest notes which could possibly be useful to other readers of this forum :

**********

To list sound cards:

Code: [Select]
cat /proc/asound/cards

 0 [HDMI           ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfce60000 irq 96
 1 [Generic        ]: HDA-Intel - HD-Audio Generic
                      HD-Audio Generic at 0xfc900000 irq 98


Then to define card 1:
Code: [Select]
your_text_editor ~/.asoundrc

or
Code: [Select]
nano ~/.asoundrc


And in my case, I specified this:
Code: [Select]
defaults.pcm.card 1
defaults.ctl.card 1


*********

I had similar issues with pulseaudio.

It's been two years since I removed all pulse packages except libpulse and libcanberra.

I use alsa and the nice and very practical qastools mixer on different pc :
https://forum.artixlinux.org/index.php/topic,4318.msg27848.html#msg27848

Note: I don't play games and don't use wine or steam.
But I have sound in all my apps.

Re: amixer: Unable to find simple control 'Master',0

Reply #2 –
@tintin Creating /etc/asound.conf with similar content resolved my problem despite there still being some weird janky stuff.

Thank you!