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Documentation: fb: udlfb: clean up text and formatting

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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>
This commit is contained in:
Randy Dunlap 2022-08-28 12:25:01 -07:00 committed by Jonathan Corbet
parent 3832d1fd84
commit 60e89a10ee
1 changed files with 15 additions and 8 deletions
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23
Documentation/fb/udlfb.rst
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@ -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: