internal/usbgadget/hid_mouse_absolute.go

@@ -113,7 +113,7 @@ func (u *UsbGadget) AbsMouseWheelReport(wheelY int8) error {
 	}
 
 	err := u.absMouseWriteHidFile([]byte{
-		2,            // Report ID 2
+		2,                  // Report ID 2
 		byte(wheelY), // Wheel Y (signed)
 	})
 

internal/usbgadget/utils.go

@@ -7,6 +7,14 @@ import (
 	"path/filepath"
 )
 
+// Helper function to get absolute value of float64
+func abs(x float64) float64 {
+	if x < 0 {
+		return -x
+	}
+	return x
+}
+
 func joinPath(basePath string, paths []string) string {
 	pathArr := append([]string{basePath}, paths...)
 	return filepath.Join(pathArr...)