Does muting the following mixer control help?
Simple mixer control 'External Amplifier',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] <---
Does muting the following mixer control help?
Simple mixer control 'External Amplifier',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on] <---