Fix: Correct path if i2c number is changed

LP: #1922988 The i2c bus number might be changed after reboot. Get device path again if the file does not exist. 

1 files changed, 5 insertions, 3 deletions

diff --git a/units/touchpad/jobs.pxu b/units/touchpad/jobs.pxu
index bb6f596..794de79 100644
--- a/units/touchpad/jobs.pxu
+++ b/units/touchpad/jobs.pxu
@@ -228,7 +228,9 @@ id: touchpad/palm-rejection-firmware-labeling_{product_slug}
 requires: device.driver == 'hid-multitouch'
 estimated_duration: 5.0
 command:
- abs_caps=$(cat </sys{path}/capabilities/abs)
+ dev_path=$(udev_resource.py -f TOUCHPAD | grep "path" | cut -d" " -f2)
+ abs_path="/sys$dev_path/capabilities/abs"
+ abs_caps=$(cat <"$abs_path")
 abs_caps_hex=$((16#"$abs_caps"))
 tool_type_bit=$((abs_caps_hex >> 55))
 support=$((tool_type_bit & 1))
@@ -236,8 +238,8 @@ command:
 exit 0
 else
 echo "Touchapd info:"
- cat </sys{path}/name
- cat </sys{path}/modalias
+ cat <"/sys$dev_path/name"
+ cat <"/sys$dev_path/modalias"
 echo "Touchpad EV_ABS capabilities:"
 echo "$abs_caps"
 exit 1