Provided by: sfwbar_1.0~beta13-1build2_amd64 
NAME
sfwbar-alsa - Sfwbar ALSA module
Filename: alsactl.so
Requires: libasound
SYNOPSIS
The ALSA module provides an interface to query and adjust the settings of the ALSA sound
system.
EXPRESSION FUNCTIONS
Alsa(Query[,Element])
function Alsa queries the state of the ALSA system, the Query parameter specifies the
information to query, the optional Element parameter specifies the mixer element to which
the query applies. If the Element isn't given the query is applied to the "Master" element
or the current card. The supported query types are:
"playback-volume"
the volume of a sink.
"playback-mute"
muted state of the sink.
"capture-volume"
the volume of a source.
"capture-mute"
muted state of the source.
ACTIONS
AlsaCmd [Interface,],Command
Manipulate the state of the interface, if the interface isn't specified, the Command will
be applied to the current interface.
"playback-volume +/-X"
Adjust the playback volume by X%. If the value isn't prefixed by either + or -, the
volume is set to the percentage value X.
"playback-mute State"
Change the playback mute state, State can be On, Off or Toggle.
"capture-volume +/-X"
Adjust the capture volume by X%. If the value isn't prefixed by either + or -, the
volume is set to the percentage value X.
"capture-mute State"
Change the capture mute state, State can be On, Off or Toggle.
AlsaSetCard Card
Select ALSA sound card. This action accepts one paramter with a card name, by default the
module will use "default" card.
TRIGGERS
The module defines one trigger "Alsa" which is emitted whenever the state of the ALSA
system changes.
COPYRIGHT
GPLv3+
SFWBAR-ALSA(1)