/sys/class/leds$ ls -lR
.:
total 0
drwxr-xr-x 2 root root 0 2006-11-01 18:56 disk-1
drwxr-xr-x 2 root root 0 2006-11-01 18:56 disk-2
drwxr-xr-x 2 root root 0 2006-11-01 18:56 ready
drwxr-xr-x 2 root root 0 2006-11-01 18:56 status

./disk-1:
total 0
-rw-r--r-- 1 root root 4096 2006-11-01 18:56 brightness
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 device -> ../../../devices/platform/IXP4XX-GPIO-LED
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 subsystem -> ../../../class/leds
-rw-r--r-- 1 root root 4096 2006-11-01 18:56 trigger
--w------- 1 root root 4096 2006-11-01 18:56 uevent

./disk-2:
total 0
-rw-r--r-- 1 root root 4096 2006-11-01 18:56 brightness
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 device -> ../../../devices/platform/IXP4XX-GPIO-LED
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 subsystem -> ../../../class/leds
-rw-r--r-- 1 root root 4096 2006-11-01 18:56 trigger
--w------- 1 root root 4096 2006-11-01 18:56 uevent

./ready:
total 0
-rw-r--r-- 1 root root 4096 2006-11-01 18:22 brightness
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 device -> ../../../devices/platform/IXP4XX-GPIO-LED
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 subsystem -> ../../../class/leds
-rw-r--r-- 1 root root 4096 2006-11-01 18:22 trigger
--w------- 1 root root 4096 2006-11-01 18:56 uevent

./status:
total 0
-rw-r--r-- 1 root root 4096 2006-11-01 18:25 brightness
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 device -> ../../../devices/platform/IXP4XX-GPIO-LED
lrwxrwxrwx 1 root root    0 2006-11-01 18:56 subsystem -> ../../../class/leds
-rw-r--r-- 1 root root 4096 2006-11-01 18:25 trigger
--w------- 1 root root 4096 2006-11-01 18:56 uevent