From 60e89a10eef2a3052dc35bea62f51acf26525698 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 28 Aug 2022 12:25:01 -0700 Subject: [PATCH] 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 Cc: Bernie Thompson Cc: linux-fbdev@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: Helge Deller Cc: Jonathan Corbet Cc: linux-doc@vger.kernel.org Cc: Bagas Sanjaya Link: https://lore.kernel.org/r/20220828192501.14232-1-rdunlap@infradead.org Signed-off-by: Jonathan Corbet --- Documentation/fb/udlfb.rst | 23 +++++++++++++++-------- 1 file 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: