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#!/bin/sh
set -e
SLOT=$1
MODE=$2
GPIO_CHIP=$(basename "/sys/bus/i2c/devices/28-0024/"*gpiochip*)
if [ "$MODE" = "main" ]
then
gpio_val=1
elif [ "$MODE" = "aux" ]
then
gpio_val=0
else
echo "Mode must be either main or aux instead of \"$MODE\"."
exit 255
fi
if test -z "$SLOT"
then
echo "Slot number(1st parameter) is required."
exit 255
elif [ "$SLOT" -gt 4 ]
then
echo "Slot number must between 1~4."
exit 255
fi
# nic1~4 = gpio pin 4~7
gpio_pin=$(( SLOT + 3 ))
gpioset "$GPIO_CHIP" $gpio_pin=$gpio_val
exit 0
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