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services: Add speakersafetyd service.

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* gnu/services/sound.scm (speakersafetyd-shepherd-service)
(speakersafetyd-configuration)
(speakersafetyd-service-type): New variables.
* doc/guix.texi (Sound Services): Document it.

Change-Id: Ib8fa19b056a2036019ae7c199d81e1139664e951
Modified-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
This commit is contained in:
Roman Scherer
2025-02-15 10:24:35 +01:00
committed by Maxim Cournoyer
parent 5135b9e805
commit af643735a5
2 changed files with 108 additions and 1 deletions
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doc/guix.texi
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@@ -26575,6 +26575,49 @@ details.
@end defvar
@subsubheading Speaker Safety Daemon System Service
@uref{https://github.com/AsahiLinux/speakersafetyd, Speaker Safety
Daemon} is a user-space daemon that implements an analogue of the Texas
Instruments Smart Amp speaker protection model. It can be used to
protect the speakers on Apple Silicon devices.
@defvar speakersafetyd-service-type
This is the type for the @code{speakersafetyd} system service, whose
value is a @command{speakersafetyd-configuration} record.
@lisp
(service speakersafetyd-service-type)
@end lisp
See below for details about @code{speakersafetyd-configuration}.
@end defvar
@c %start of fragment
@deftp {Data Type} speakersafetyd-configuration
Available @code{speakersafetyd-configuration} fields are:
@table @asis
@item @code{blackbox-directory} (default: @code{"/var/lib/speakersafetyd/blackbox"}) (type: string)
The directory to which blackbox files are written when the speakers are
getting too hot. The blackbox files contain audio and debug information
which the developers of @code{speakersafetyd} might ask for when
reporting bugs.
@item @code{configuration-directory} (type: file-like)
The base directory as a G-expression (@pxref{G-Expressions}) that
contains the configuration files of the speaker models.
@item @code{maximum-gain-reduction} (default: @code{7}) (type: integer)
Maximum gain reduction before panicking, useful for debugging.
@item @code{speakersafetyd} (default: @code{speakersafetyd}) (type: file-like)
The Speaker Safety Daemon package to use.
@end table
@end deftp
@c %end of fragment
@node File Search Services
@subsection File Search Services