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Tue, 14 Nov 2023 14:40:23 GMT (envelope-from git) Date: Tue, 14 Nov 2023 14:40:23 GMT Message-Id: <202311141440.3AEEeNLI093471@gitrepo.freebsd.org> To: doc-committers@FreeBSD.org, dev-commits-doc-all@FreeBSD.org From: Fernando =?utf-8?Q?Apestegu=C3=ADa?= Subject: git: 4decda9797 - main - [hb][config]: Mention backlight(9) List-Id: Commit messages for all branches of the doc repository List-Archive: https://lists.freebsd.org/archives/dev-commits-doc-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-doc-all@freebsd.org X-BeenThere: dev-commits-doc-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: fernape X-Git-Repository: doc X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 4decda97972ecd036ea44f0f603c3cbb3133ca97 Auto-Submitted: auto-generated The branch main has been updated by fernape: URL: https://cgit.FreeBSD.org/doc/commit/?id=4decda97972ecd036ea44f0f603c3cbb3133ca97 commit 4decda97972ecd036ea44f0f603c3cbb3133ca97 Author: Fernando Apesteguía AuthorDate: 2023-11-14 14:25:30 +0000 Commit: Fernando Apesteguía CommitDate: 2023-11-14 14:25:30 +0000 [hb][config]: Mention backlight(9) Add a mention to backlight(9) and backlight(8) in the configuration chapter. --- documentation/content/en/books/handbook/config/_index.adoc | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/documentation/content/en/books/handbook/config/_index.adoc b/documentation/content/en/books/handbook/config/_index.adoc index f7d9cc27e2..3b49877eee 100644 --- a/documentation/content/en/books/handbook/config/_index.adoc +++ b/documentation/content/en/books/handbook/config/_index.adoc @@ -1234,6 +1234,18 @@ And add this line to [.filename]#/boot/loader.conf# to load it at boot: acpi_ibm_load="YES" .... +An alternative to the man:acpi_video[4] module is the man:backlight[9] driver. +It provides a generic way for handling a panel backlight. +The default GENERIC kernel includes this driver. +The man:backlight[8] utility can be used to query and adjust the brightness of +the panel backlight. +In this example the brightness is decreased by 10%: + +[source,shell] +.... +% backlight decr 10 +.... + [[cpu-power-management]] === CPU Power Management