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diff --git a/doc/guix.texi b/doc/guix.texi index bd66adf326..01e3a4edf0 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -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 |