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| author | Randy Dunlap <rdunlap@infradead.org> | 2022-08-28 12:25:01 -0700 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2022-09-27 13:21:44 -0600 |
| commit | 60e89a10eef2a3052dc35bea62f51acf26525698 (patch) | |
| tree | fdc525949efefcd2a4059a0bfeee032cdcf957b5 | |
| parent | 3832d1fd84b6220842d92513239005b2c116633b (diff) | |
| download | lwn-60e89a10eef2a3052dc35bea62f51acf26525698.tar.gz lwn-60e89a10eef2a3052dc35bea62f51acf26525698.zip | |
Documentation: fb: udlfb: clean up text and formatting
Clean up punctuation, spelling, and formatting for command line usage
and modprobe config file usage in udlfb.rst.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Bernie Thompson <bernie@plugable.com>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: Helge Deller <deller@gmx.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20220828192501.14232-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/fb/udlfb.rst | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/Documentation/fb/udlfb.rst b/Documentation/fb/udlfb.rst index 732b37db3504..99cfbb7a1922 100644 --- a/Documentation/fb/udlfb.rst +++ b/Documentation/fb/udlfb.rst @@ -86,17 +86,24 @@ Module Options Special configuration for udlfb is usually unnecessary. There are a few options, however. -From the command line, pass options to modprobe -modprobe udlfb fb_defio=0 console=1 shadow=1 +From the command line, pass options to modprobe:: -Or modify options on the fly at /sys/module/udlfb/parameters directory via -sudo nano fb_defio -change the parameter in place, and save the file. + modprobe udlfb fb_defio=0 console=1 shadow=1 -Unplug/replug USB device to apply with new settings +Or change options on the fly by editing +/sys/module/udlfb/parameters/PARAMETER_NAME :: -Or for permanent option, create file like /etc/modprobe.d/udlfb.conf with text -options udlfb fb_defio=0 console=1 shadow=1 + cd /sys/module/udlfb/parameters + ls # to see a list of parameter names + sudo nano PARAMETER_NAME + # change the parameter in place, and save the file. + +Unplug/replug USB device to apply with new settings. + +Or to apply options permanently, create a modprobe configuration file +like /etc/modprobe.d/udlfb.conf with text:: + + options udlfb fb_defio=0 console=1 shadow=1 Accepted boolean options: |