Input: wacom - use switch statement for wacom_tpc_irq()

And add two new data formats.

Tested-by: Chris Bagwell <chris@cnpbagwell.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 050acae..4f0ba21 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -39,6 +39,8 @@
 #define WACOM_REPORT_INTUOSPAD		12
 #define WACOM_REPORT_TPC1FG		6
 #define WACOM_REPORT_TPC2FG		13
+#define WACOM_REPORT_TPCHID		15
+#define WACOM_REPORT_TPCST		16
 
 /* device quirks */
 #define WACOM_QUIRK_MULTI_INPUT		0x0001