pmaports/device/testing/device-samsung-a20/initfs-hook.sh

28 lines
963 B
Bash
Raw Normal View History

#!/bin/sh
# This is a trimmed down version of setup_usb_network_configfs from
# pmOS's init_functions.sh
# See: https://www.kernel.org/doc/Documentation/usb/gadget_configfs.txt
CONFIGFS=/config/usb_gadget
SYS=/sys/class/android_usb/android0
# Create an usb gadet configuration
mkdir $CONFIGFS/g1 || echo "initfs-hook: Couldn't create $CONFIGFS/g1"
# Create rndis function.
mkdir $CONFIGFS/g1/functions/rndis.usb0 \
|| echo "initfs-hook: Couldn't create $CONFIGFS/g1/functions/rndis.usb0"
# Create configuration instance for the gadget
mkdir $CONFIGFS/g1/configs/c.1 \
|| echo "initfs-hook: Couldn't create $CONFIGFS/g1/configs/c.1"
# Link the rndis instance to the configuration
ln -s $CONFIGFS/g1/functions/rndis.usb0 $CONFIGFS/g1/configs/c.1 \
|| echo "initfs-hook: Couldn't symlink rndis.usb0"
echo "0" >"$SYS/enable"
echo "$(ls /sys/class/udc)" > $CONFIGFS/g1/UDC || echo " Couldn't write UDC"
echo "rndis" >"$SYS/functions"
echo "1" >"$SYS/enable"