Commit 3b48c91c authored by Ping Cheng's avatar Ping Cheng Committed by Dmitry Torokhov
Browse files

Input: wacom - report id 3 returns 4 bytes of data 



Signed-off-by: default avatarPing Cheng <pingc@wacom.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent a417ea44

drivers/input/tablet/wacom_sys.c

+6 −4
Original line number Diff line number Diff line
@@ -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 {