Comments (2)
I cannot reproduce this behaviour here. It's probably a PA issue. You may report this as PA bug - https://gitlab.freedesktop.org/pulseaudio/pulseaudio .
$ amixer set Master 100%,0 Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 65536 Mono: Front Left: Playback 65536 [100%] [on] Front Right: Playback 0 [0%] [on] $ aplay -D default -r 44100 -f S16_LE -d 5 /dev/zero Playing raw data '/dev/zero' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono $ amixer get Master Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 65536 Mono: Front Left: Playback 65536 [100%] [on] Front Right: Playback 0 [0%] [on]
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Indeed, playing straight to pcm device instead of pulseaudio does not change volume level.
Thanks.
from alsa-utils.
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