Zachary Hall 1047530b8f screenmode: Allow retrieving screen brightness via CLI
* Add a new flag (-B, or --get-brightness), that changes the output
   from screen mode to screen output
 * This new flag is affected by the -s (short output) option for use
   in scripts
 * The wording for -s is changed to reflect the fact that it now
   affects the new flag

Change-Id: I81145f401952fc026673e05a5fc03d4e3352fd3c
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8865
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
2025-01-27 17:24:03 +00:00
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