tree 10a78c611da9c52132771856c5e0f48744f33c42
parent 7226bcfad100fb48ca2a0552642e875c0a046c7c
author Tomáš Pecka <tomas.pecka@cesnet.cz> 1618947942 +0200
committer Tomáš Pecka <tomas.pecka@cesnet.cz> 1619512593 +0200
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health: compute status LED brightness from maximum brightness

We used hardcoded value 255 for maximum brightness but LEDs on Clearfog
devices have 256 maximum brightness.  This led to situations like that
/czechlight-system:leds reports only 99% brightness for status LEDs
(and that is not pretty -- why only 99?).

To deal with this we read maximum brightness in LED Sysfs driver
constructor and use that when setting the actual color of the status
LED.

Change-Id: I6c2b6b2d31a0744da3ad089b341473d6e2613ff1