M7350/device/qcom/common/rootdir/etc/hsic.control.bt.sh
2024-09-09 08:57:42 +00:00

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#!/system/bin/sh
# Copyright (c) 2012, 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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.
#
action=`getprop bluetooth.hsic_ctrl`
last_action=`getprop hsic_ctrl.last`
wifi_status=`getprop wlan.driver.status`
wifi_action=`getprop wlan.hsic_ctrl`
wifi_type=`getprop wlan.driver.ath`
# check action from bt
if [ $wifi_type == "2" ]; then
if [ $action == "load_wlan" ]; then
if [ $wifi_status == "ok" ] ||
[ $wifi_action == "wlan_loading" ] ||
[ $last_action == "load_wlan" ]; then
echo "Not doing anything as wlan is on or turning on"
# do nothing
else
setprop wlan.hsic_ctrl "service_loading"
# bind HSIC HCD
echo msm_hsic_host > /sys/bus/platform/drivers/msm_hsic_host/bind
# load WLAN driver
insmod /system/lib/modules/wlan.ko
# inform WLAN driver bt is on
echo 1 > /sys/module/wlan/parameters/ath6kl_bt_on
# unload WLAN driver
rmmod wlan
echo "Now hsic power control will be in auto mode"
fi
elif [ $action == "unbind_hsic" ]; then
if [ "$wifi_action" == "wlan_unloading" ] ||
[ "$last_action" == "unbind_hsic" ]; then
echo "Not doing anything as wlan is also unloading"
# do nothing
else
# unbind HSIC HCD
echo msm_hsic_host > /sys/bus/platform/drivers/msm_hsic_host/unbind
echo "Unbinding HSIC before BT turns off"
fi
fi
fi # [ $wifi_type == "2" ]
# set property to done
# setprop bluetooth.hsic_ctrl "done"
# set property to NULL
setprop wlan.hsic_ctrl ""
setprop hsic_ctrl.last $action