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NAME
alsause - Set default ALSA PCM device
SYNPOSIS
alsause [(-r | name | card:device) [command [argument] ...]]
DESCRIPTION
The alsause utility lists all ALSA PCM devices or sets, either for the
user or for a program it starts, the default ALSA PCM device.
No options or operands are specified, alsause will list all ALSA PCM
devices, otherwise it will set the default ALSA PCM device.
If command is specified, alsause will run that command with the default
ALSA PCM device set only for that process and it's child processes.
OPTIONS
The alsause utility conforms to the Base Definitions volume of
POSIX.1-2017, Section 12.2, Utility Syntax Guidelines.
The following option is supported:
-r Remove the user-specified default ALSA PCM device, falling back
to the system-wide default ALSA PCM device.
OPERANDS
The following operands shall be supported:
card:device
The card number and device number to use as the default ALSA PCM
device.
name
The card and device, by name, to use as the default ALSA PCM
device. This string is on the form output by the alsause
utility itself: "%s - %s", <card name>, <device name>.
command
The name of the utility to be invoked.
argument
A string to pass as an argument for the invoked utility.
EXIT STATUS
If command is invoked, the exit status of alsause is the exit status of
command; otherwise, the alsause utility exits with one of the following
values.
0 The alsause utility completed successfully.
125 An error occurred in the alsause utility.
126 The utility specified by command was found but could not be invoked.
127 The utility specified by command could not be found.
SEE ALSO
None.
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