1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index c10235aba7e5..1bfe9a3bae93 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -9,6 +9,17 @@
 #ifndef WACOM_WAC_H
 #define WACOM_WAC_H
 
+/* maximum packet length for USB devices */
+#define WACOM_PKGLEN_MAX        32
+
+/* packet length for individual models */
+#define WACOM_PKGLEN_PENPRTN     7
+#define WACOM_PKGLEN_GRAPHIRE    8
+#define WACOM_PKGLEN_BBFUN       9
+#define WACOM_PKGLEN_INTUOS     10
+#define WACOM_PKGLEN_PENABLED    8
+#define WACOM_PKGLEN_TPC1FG      5
+
 #define STYLUS_DEVICE_ID        0x02
 #define TOUCH_DEVICE_ID         0x03
 #define CURSOR_DEVICE_ID        0x06