update pinctrl shell script

guowenxue

2022-04-16 f51706ff011fb2e663721afe9b8389a83940ae08

 bsp/rootfs/files/pinctrl

@@ -1,4 +1,4 @@
#!/bin/bash
#!/bin/sh
# This shell script used to control GPIO port on IGKBoard

direction=out
@@ -100,7 +100,7 @@
    cat $pindir/value
}

if [ $# -lt 1 ] ; then
if [[ $# -lt 1 ]] ; then
   usage;
fi

@@ -108,12 +108,12 @@
do
    case "${OPTNAME}" in
        "i")
           direction=in
           direction="in"
           shift
           ;;

        "u")
           action=unexport;
           action="unexport";
           shift
           ;;

@@ -130,14 +130,14 @@

calc_pinum $1

if [[ $action == unexport ]] ; then
if [[ "$action" == "unexport" ]] ; then
   unexport_gpio
   exit;
fi

export_gpio

if [ $direction == in ] ; then
if [[ "$direction" == "in" ]] ; then
   read_gpio
else
   set_gpio $2