Could you please let me know How in the driver i could be able to read the file present in sysfs ??? Using init script how should i creat and edit the file ????
I never had done these hence your suggession could be a better way for me to learn it . ---Misbah Olof Johansson-2 wrote: > > On Wed, Jan 02, 2008 at 09:03:20PM -0800, Misbah khan wrote: >> >> Hi all .... >> >> I am writing a LCD driver in which the default configuration for LCD >> would >> be loded at the Init . This default configuration if keep in the driver >> then >> for a change in default configuration we need to compile the driver which >> we >> never want . Hence we want a .config file in /etc/lcd.config dir which >> could >> be changed and the next boot will take this configuration as the default >> configuration. >> >> I need to know How to read from the config file in the driver form the >> dir >> /etc/lcd.config. The driver would be installed at boot up > > The driver/kernel shouldn't read the file directly, if anything you > should have a userspace tool that reads it and adjusts the driver via > sysfs or similar. That tool can be run from some of the init scripts, > or from the ramdisk in case you want to do it early. > > > -Olof > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > -- View this message in context: http://www.nabble.com/Reading-a-config-file-in-a-driver-....-tp14591717p14612555.html Sent from the linuxppc-embedded mailing list archive at Nabble.com. _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
