Raspbian: "amixer: Unable to find simple control 'Master',0"
Posted: Sat Feb 23, 2019 3:11 am
[PROBLEM]
On Raspbian Stretch, I'm trying to adjust the volume on the shell/commandline, using "amixer", but get the error message:
Thanks to post on github by user R00t8ug:
Properly returns:
On Raspbian Stretch, I'm trying to adjust the volume on the shell/commandline, using "amixer", but get the error message:
[SOLUTION]amixer: Unable to find simple control 'Master',0
Thanks to post on github by user R00t8ug:
Works.okie, for raspberry pi user douban.py inside find "Master" > "PCM" fix the bug.
Properly returns:
Code: Select all
Simple mixer control 'PCM',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback -10239 - 400
Mono: Playback -2790 [70%] [-27.90dB] [on]