Keeps gui stuff away from parts of /src/driver and
callbacks with messages should inform the user about possible
operations during activation or deactivation of service.
Reason: long breaks are mediating
freeze or unknown status that leave the user in the dark.
Origin commit data
------------------
Commit: 826d56a575
Author: Thilo Graf <dbt@novatux.de>
Date: 2021-06-30 (Wed, 30 Jun 2021)
Origin commit data
------------------
Commit: d5f2537555
Author: vanhofen <vanhofen@gmx.de>
Date: 2019-01-07 (Mon, 07 Jan 2019)
Origin message was:
------------------
- lcd4l: set Copyright up to date
Origin commit data
------------------
Commit: fe85a1fa27
Author: vanhofen <vanhofen@gmx.de>
Date: 2019-01-05 (Sat, 05 Jan 2019)
Origin message was:
------------------
- lcd4l-setup: move type setup into own submenu to get different options for different types
Origin commit data
------------------
Commit: 6d3abd99aa
Author: vanhofen <vanhofen@gmx.de>
Date: 2019-01-02 (Wed, 02 Jan 2019)
Origin message was:
------------------
- lcd4l-setup: use new GetMaxBrightness() function