M7350/system/core/usb/start_usb
2024-09-09 08:52:07 +00:00

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#!/bin/sh
#
# Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of The Linux Foundation nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO
# EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Starts the USB Android Gadget.
export KERNEL=`uname -r`
export ODU="N"
export ODU_EN="N"
case "$1" in
start)
case $KERNEL in
3.*)
case `source /usr/bin/usb/target` in
*9x15* )
# Nothing to do here for 9x15
;;
*9x25* )
if [ -f /sys/module/usbnet/parameters/usbnet_odu ]
then
ODU=`cat /sys/module/usbnet/parameters/usbnet_odu`
fi
if [ -f /usr/bin/usb/odu ]
then
ODU_EN=`cat /usr/bin/usb/odu`
fi
echo "ODU supported=$ODU enabled=$ODU_EN"
#In case of ODU, don't unbind the HSIC device
if [ "$ODU" == "Y" ] && [ "$ODU_EN" == "Y" ]
then
echo "EHCI HSIC device will be bound(odu=$ODU)"
ln -fs /usr/bin/usb/compositions/901D \
/usr/bin/usb/boot_hsusb_composition
else
#In other cases (for WLAN) unbind HSIC by default
echo "Shutdown EHCI HSIC device"
echo msm_hsic_host > /sys/bus/platform/drivers/msm_hsic_host/unbind
fi
;;
esac
# boot hsusb composition:
if [ -d /sys/class/android_usb/android0 ]
then
/usr/bin/usb/boot_hsusb_composition n
fi
# boot hsic composition:
if [ -d /sys/class/android_usb/android1 ]
then
/usr/bin/usb/boot_hsic_composition y
fi
;;
2.*)
# Nothing to do for 2.x kernels
;;
*)
# Some other version of kernel?
;;
esac
;;
stop)
echo "Stopping USB Android Gadget"
;;
restart)
$0 stop
$0 start
;;
*)
echo "Usage usb { start | stop | restart}" >&2
exit 1
;;
esac