LED Support for the HP Jornada 6xx

modulename: leds-hp6xx.ko

configname: CONFIG_LEDS_HP6XX

Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>LED Support for the HP Jornada 6xx
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
This option enables LED support for the handheld
HP Jornada 620/660/680/690.

source code:
drivers/leds/leds-hp6xx.c