openwrt/target/linux/ipq40xx/base-files/etc/init.d/modem_switch

#!/bin/sh /etc/rc.common

START=15
STOP=10

boot() {
	case $(board_name) in
		netgear,lbr20)
			echo "0" > /sys/class/gpio/lte_rst/value
			echo "0" > /sys/class/gpio/lte_pwrkey/value
			echo "0" > /sys/class/gpio/lte_usb_boot/value
			echo "0" > /sys/class/gpio/lte_pwm/value
			sleep 1
			echo "1" > /sys/class/gpio/lte_pwm/value
			echo "1" > /sys/class/gpio/lte_pwrkey/value
			echo "1" > /sys/class/gpio/lte_rst/value
			sleep 1
			echo "0" > /sys/class/gpio/lte_pwrkey/value
			sleep 1
			echo "1" > /sys/class/gpio/lte_pwrkey/value
		;;
	esac
}

shutdown() {
	case $(board_name) in
		netgear,lbr20)
			echo "0" > /sys/class/gpio/lte_pwrkey/value
			sleep 1
			echo "1" > /sys/class/gpio/lte_pwrkey/value
			sleep 10
		;;
	esac
}