Signed-off-by: Ping Cheng <pingc@xxxxxxxxx>
---
drivers/input/tablet/wacom_sys.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 34edaae..958b4eb 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -306,23 +306,25 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
int limit = 0, report_id = 2;
int error = -ENOMEM;
- rep_data = kmalloc(2, GFP_KERNEL);
+ rep_data = kmalloc(4, GFP_KERNEL);
if (!rep_data)
return error;
- /* ask to report tablet data if it is 2FGT Tablet PC or
+ /* ask to report tablet data if it is MT Tablet PC or
* not a Tablet PC */
if (features->type == TABLETPC2FG) {
do {
rep_data[0] = 3;
rep_data[1] = 4;
+ rep_data[2] = 0;
+ rep_data[3] = 0;
report_id = 3;
error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
- report_id, rep_data, 2);
+ report_id, rep_data, 4);
if (error >= 0)
error = usb_get_report(intf,
WAC_HID_FEATURE_REPORT, report_id,
- rep_data, 3);
+ rep_data, 4);
} while ((error < 0 || rep_data[1] != 4) && limit++ < WAC_MSG_RETRIES);
} else if (features->type != TABLETPC) {
do {
--
1.7.6
--
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