#!/bin/bash


###################################
# no headset should plugged in
###################################

# reset
i2cset -y -f 1 0x3b 0x4 0x87
sleep 0.5
 

# register 0x04 should be 0x27 
i2cset -y -f 1 0x3b 0x4 0x27
sleep 0.5

# User sets Auto DET Enable = ‘0’
i2cset -y -f 1 0x3b 0x4 0x07

###################################
# plugin headset
###################################

echo "headset?"
read -n 1
sleep 3


echo "System sets Manual Switch Control = 1"
i2cset -y -f 1 0x3b 0x4 0x47
sleep 0.1


echo "System sets switch control registers = 0xFF"
i2cset -y -f 1 0x3b 0x7 0xFF
sleep 1
i2cset -y -f 1 0x3b 0x8 0xFF
sleep 0.1


echo "System sets DET Trigger = 1"
i2cset -y -f 1 0x3b 0x4 0x57
sleep 3


echo "System sets Manual Switch Control = 0"
i2cset -y -f 1 0x3b 0x4 0x17   
sleep 3
 





echo "read headset status"
i2cget -y -f 1 0x3b 0xb
sleep 3