| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | volt_step=2 |
| 4 | |
| 5 | soc_is_asr1901=0 |
| 6 | |
| 7 | if cat /etc/mversion | grep asr1901 > /dev/null |
| 8 | then |
| 9 | echo "asr1901" > /dev/kmsg |
| 10 | pmic_dvl0_reg=0x16 |
| 11 | pmic_dvl1_reg=0x25 |
| 12 | pmic_dvl2_reg=0x18 |
| 13 | pmic_dvl3_reg=0x19 |
| 14 | soc_is_asr1901=1 |
| 15 | else |
| 16 | pmic_ver=`i2cget -y -f 2 0x31 0x0` |
| 17 | if [ "$pmic_ver" == "0x12" -o "$pmic_ver" == "0x13" ] |
| 18 | then |
| 19 | echo "pmic is pm802" > /dev/kmsg |
| 20 | pmic_dvl0_reg=0x29 |
| 21 | pmic_dvl1_reg=0x2a |
| 22 | pmic_dvl2_reg=0x2b |
| 23 | pmic_dvl3_reg=0x2c |
| 24 | else |
| 25 | echo "pmic is pm802s or pm803 " > /dev/kmsg |
| 26 | pmic_dvl0_reg=0x2b |
| 27 | pmic_dvl1_reg=0x2c |
| 28 | pmic_dvl2_reg=0x2d |
| 29 | pmic_dvl3_reg=0x2e |
| 30 | fi |
| 31 | fi |
| 32 | |
| 33 | for reg in $pmic_dvl0_reg $pmic_dvl1_reg $pmic_dvl2_reg $pmic_dvl3_reg |
| 34 | do |
| 35 | if [ "$soc_is_asr1901" == "1" ] |
| 36 | then |
| 37 | if [ "$reg" == "0x25" ] |
| 38 | then |
| 39 | old_volt=`i2cget -y -f 3 0x68 $reg` |
| 40 | else |
| 41 | old_volt=`i2cget -y -f 3 0x21 $reg` |
| 42 | fi |
| 43 | else |
| 44 | old_volt=`i2cget -y -f 2 0x31 $reg` |
| 45 | fi |
| 46 | |
| 47 | echo "old reg-$reg volt is: $old_volt" > /dev/kmsg |
| 48 | decimal_number=`printf %d $old_volt` |
| 49 | if [ "$1" == "sub" ] |
| 50 | then |
| 51 | new_decimal_number=$((decimal_number - 2)) |
| 52 | else |
| 53 | new_decimal_number=$((decimal_number + 2)) |
| 54 | fi |
| 55 | new_hex_number=$(printf '%x' "$new_decimal_number") |
| 56 | echo "new reg-$reg volt is: 0x$new_hex_number" > /dev/kmsg |
| 57 | |
| 58 | if [ "$soc_is_asr1901" == "1" ] |
| 59 | then |
| 60 | if [ "$reg" == "0x25" ] |
| 61 | then |
| 62 | i2cset -y -f 3 0x68 $reg 0x$new_hex_number |
| 63 | else |
| 64 | i2cset -y -f 3 0x21 $reg 0x$new_hex_number |
| 65 | fi |
| 66 | else |
| 67 | i2cset -y -f 2 0x31 $reg 0x$new_hex_number |
| 68 | fi |
| 69 | done |