Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/openSUSE_Tumbleweed/X11:Utilities.repo
zypper refresh
zypper install SwayAudioIdleInhibit
Для openSUSE Factory ARM запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/openSUSE_Factory_ARM/X11:Utilities.repo
zypper refresh
zypper install SwayAudioIdleInhibit
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/16.0/X11:Utilities.repo
zypper refresh
zypper install SwayAudioIdleInhibit
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/15.6/X11:Utilities.repo
zypper refresh
zypper install SwayAudioIdleInhibit