/sys/class/leds/beaglebone:green:usr0/delay_off wrong owner

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Mark A. Yoder

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Sep 4, 2018, 8:22:14 AM9/4/18
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Try this:

bone$ cd /sys/class/leds/beaglebone:green:usr0
bone$ echo timer > trigger
bone$ ls -ls
0 -rw-rw-r-- 1 root gpio 4096 Aug 31 10:10 brightness
0 -rw-r--r-- 1 root root 4096 Sep  4 08:18 delay_off
0 -rw-r--r-- 1 root root 4096 Sep  4 08:18 delay_on
0 lrwxrwxrwx 1 root gpio    0 Aug 31 10:10 device -> ../../../leds
0 -rw-rw-r-- 1 root gpio 4096 Aug 31 10:10 max_brightness
0 drwxrwxr-x 2 root gpio    0 Aug 31 10:10 power

The newly created delay_off and delay_on are not in group gpio.

--Mark
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