[2.6.35.3] wacom: Fix mousewheel up/down regression for old wacom tablets

Commit Message

Mike Auty Aug. 25, 2010, 6:10 p.m. UTC

None

Patch

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 415f630..d1a883d 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -210,10 +210,10 @@  static int wacom_graphire_irq(struct wacom_wac *wacom)
 			if (features->type == WACOM_G4 ||
 					features->type == WACOM_MO) {
 				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
-				rw = (signed)(data[7] & 0x04) - (data[7] & 0x03);
+				rw = (data[7] & 0x04) - (data[7] & 0x03);
 			} else {
 				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
-				rw = -(signed)data[6];
+				rw = -(signed char)data[6];
 			}
 			input_report_rel(input, REL_WHEEL, rw);
 		}