mraa-gpio: return proper error codes #1130
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Signed-off-by: Reini Urban <[email protected]>
because the permissions might be missing, and then we want to fallback to sudo mraa-gpio. Signed-off-by: Reini Urban <[email protected]>
fix all but one -Wmaybe-uninitialized
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mraa-gpio: return proper error codes, because the permissions might be missing. /dev/class/gpio has now new nested symlinks which are not easily chgrp -R's, and then we want to fallback to sudo mraa-gpio.
led: print full brightness device paths on errors