How to determine gta04 hardware revision?
Nikita V. Youshchenko
yoush at debian.org
Mon Jul 15 11:17:07 CEST 2013
> If you want to see the revision for informational purposes:
> dmesg | fgrep Revision
Relying on dmesg immediately makes software unreliable, since kernel log
buffer may overflow
> Since the A3 board also lacks a mechanism to on/off the UMTS modem you
> can check for the presence of the GPIO that controls it:
> ls -l /sys/class/gpio/gpio186
Relying on GPIO number does not look good as well - numbers tent to be
dynamic and change over time. Need to read something immutable (and kernel
should provide that).
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