diff options
| -rw-r--r-- | 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 9879c73ee517..d27c9d91630b 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -320,23 +320,25 @@ 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 { |
