void lcd_enable(bool on)
{
/* Disabled until properly working */
return;
if (on == lcd_on)
return;
if (on)
{
lcd_display_on(false); /* Turn on display */
lcd_update(); /* Resync display */
send_event(LCD_EVENT_ACTIVATION, NULL);
}
else
{
lcd_display_off(); /* Turn off display */
}
}
/*
* description: release the device module
*/
static void __exit klcd_exit(void)
{
// turn off LCD display
lcd_display_off();
// remove a cdev from the system
cdev_del( &klcd_cdev);
// remove device
device_destroy( klcd_class, dev_number );
// destroy class
class_destroy( klcd_class );
// deallocate device major number
unregister_chrdev_region( MAJOR(dev_number), MINOR_NUM_COUNT );
// releasse GPIO pins
lcd_pin_release_All();
printk(KERN_INFO "klcd Driver Exited. \n");
}
