diff options
Diffstat (limited to 'tools/leds/get_led_device_info.sh')
| -rwxr-xr-x | tools/leds/get_led_device_info.sh | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/tools/leds/get_led_device_info.sh b/tools/leds/get_led_device_info.sh new file mode 100755 index 000000000..ccfa442db --- /dev/null +++ b/tools/leds/get_led_device_info.sh @@ -0,0 +1,201 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +led_common_defs_path="include/dt-bindings/leds/common.h" + +num_args=$# +if [ $num_args -eq 1 ]; then + linux_top=$(dirname `realpath $0` | awk -F/ \ + '{ \ + i=1; \ + while (i <= NF - 2) { \ + printf $i"/"; \ + i++; \ + }; \ + }') + led_defs_path=$linux_top/$led_common_defs_path +elif [ $num_args -eq 2 ]; then + led_defs_path=`realpath $2` +else + echo "Usage: get_led_device_info.sh LED_CDEV_PATH [LED_COMMON_DEFS_PATH]" + exit 1 +fi + +if [ ! -f $led_defs_path ]; then + echo "$led_defs_path doesn't exist" + exit 1 +fi + +led_cdev_path=`echo $1 | sed s'/\/$//'` + +ls "$led_cdev_path/brightness" > /dev/null 2>&1 +if [ $? -ne 0 ]; then + echo "Device \"$led_cdev_path\" does not exist." + exit 1 +fi + +bus=`readlink $led_cdev_path/device/subsystem | sed s'/.*\///'` +usb_subdev=`readlink $led_cdev_path | grep usb | sed s'/\(.*usb[0-9]*\/[0-9]*-[0-9]*\)\/.*/\1/'` +ls "$led_cdev_path/device/of_node/compatible" > /dev/null 2>&1 +of_node_missing=$? + +if [ "$bus" = "input" ]; then + input_node=`readlink $led_cdev_path/device | sed s'/.*\///'` + if [ ! -z "$usb_subdev" ]; then + bus="usb" + fi +fi + +if [ "$bus" = "usb" ]; then + usb_interface=`readlink $led_cdev_path | sed s'/.*\(usb[0-9]*\)/\1/' | cut -d\/ -f3` + cd $led_cdev_path/../$usb_subdev + driver=`readlink $usb_interface/driver | sed s'/.*\///'` + if [ -d "$usb_interface/ieee80211" ]; then + wifi_phy=`ls -l $usb_interface/ieee80211 | grep phy | awk '{print $9}'` + fi + idVendor=`cat idVendor` + idProduct=`cat idProduct` + manufacturer=`cat manufacturer` + product=`cat product` +elif [ "$bus" = "input" ]; then + cd $led_cdev_path + product=`cat device/name` + driver=`cat device/device/driver/description` +elif [ $of_node_missing -eq 0 ]; then + cd $led_cdev_path + compatible=`cat device/of_node/compatible` + if [ "$compatible" = "gpio-leds" ]; then + driver="leds-gpio" + elif [ "$compatible" = "pwm-leds" ]; then + driver="leds-pwm" + else + manufacturer=`echo $compatible | awk -F, '{print $1}'` + product=`echo $compatible | awk -F, '{print $2}'` + fi +else + echo "Unknown device type." + exit 1 +fi + +printf "\n#####################################\n" +printf "# LED class device hardware details #\n" +printf "#####################################\n\n" + +printf "bus:\t\t\t$bus\n" + +if [ ! -z "$idVendor" ]; then + printf "idVendor:\t\t$idVendor\n" +fi + +if [ ! -z "$idProduct" ]; then + printf "idProduct:\t\t$idProduct\n" +fi + +if [ ! -z "$manufacturer" ]; then + printf "manufacturer:\t\t$manufacturer\n" +fi + +if [ ! -z "$product" ]; then + printf "product:\t\t$product\n" +fi + +if [ ! -z "$driver" ]; then + printf "driver:\t\t\t$driver\n" +fi + +if [ ! -z "$input_node" ]; then + printf "associated input node:\t$input_node\n" +fi + +printf "\n####################################\n" +printf "# LED class device name validation #\n" +printf "####################################\n\n" + +led_name=`echo $led_cdev_path | sed s'/.*\///'` + +num_sections=`echo $led_name | awk -F: '{print NF}'` + +if [ $num_sections -eq 1 ]; then + printf "\":\" delimiter not detected.\t[ FAILED ]\n" + exit 1 +elif [ $num_sections -eq 2 ]; then + color=`echo $led_name | cut -d: -f1` + function=`echo $led_name | cut -d: -f2` +elif [ $num_sections -eq 3 ]; then + devicename=`echo $led_name | cut -d: -f1` + color=`echo $led_name | cut -d: -f2` + function=`echo $led_name | cut -d: -f3` +else + printf "Detected %d sections in the LED class device name - should the script be updated?\n" $num_sections + exit 1 +fi + +S_DEV="devicename" +S_CLR="color " +S_FUN="function " +status_tab=20 + +print_msg_ok() +{ + local section_name="$1" + local section_val="$2" + local msg="$3" + printf "$section_name :\t%-${status_tab}.${status_tab}s %s %s\n" "$section_val" "[ OK ] " "$msg" +} + +print_msg_failed() +{ + local section_name="$1" + local section_val="$2" + local msg="$3" + printf "$section_name :\t%-${status_tab}.${status_tab}s %s %s\n" "$section_val" "[ FAILED ]" "$msg" +} + +if [ ! -z "$input_node" ]; then + expected_devname=$input_node +elif [ ! -z "$wifi_phy" ]; then + expected_devname=$wifi_phy +fi + +if [ ! -z "$devicename" ]; then + if [ ! -z "$expected_devname" ]; then + if [ "$devicename" = "$expected_devname" ]; then + print_msg_ok "$S_DEV" "$devicename" + else + print_msg_failed "$S_DEV" "$devicename" "Expected: $expected_devname" + fi + else + if [ "$devicename" = "$manufacturer" ]; then + print_msg_failed "$S_DEV" "$devicename" "Redundant: use of vendor name is discouraged" + elif [ "$devicename" = "$product" ]; then + print_msg_failed "$S_DEV" "$devicename" "Redundant: use of product name is discouraged" + else + print_msg_failed "$S_DEV" "$devicename" "Unknown devicename - should the script be updated?" + fi + fi +elif [ ! -z "$expected_devname" ]; then + print_msg_failed "$S_DEV" "blank" "Expected: $expected_devname" +fi + +if [ ! -z "$color" ]; then + color_upper=`echo $color | tr [:lower:] [:upper:]` + color_id_definition=$(cat $led_defs_path | grep "_$color_upper\s" | awk '{print $2}') + if [ ! -z "$color_id_definition" ]; then + print_msg_ok "$S_CLR" "$color" "Matching definition: $color_id_definition" + else + print_msg_failed "$S_CLR" "$color" "Definition not found in $led_defs_path" + fi + +fi + +if [ ! -z "$function" ]; then + # strip optional enumerator + function=`echo $function | sed s'/\(.*\)-[0-9]*$/\1/'` + fun_definition=$(cat $led_defs_path | grep "\"$function\"" | awk '{print $2}') + if [ ! -z "$fun_definition" ]; then + print_msg_ok "$S_FUN" "$function" "Matching definition: $fun_definition" + else + print_msg_failed "$S_FUN" "$function" "Definition not found in $led_defs_path" + fi + +fi |