Commit 1cecc5cc authored Jun 28, 2012 by Ping Cheng Committed by Dmitry Torokhov Jun 28, 2012

Input: wacom - don't retrieve touch_max when it is predefined



Some models, such as 0xE6, report more fingers than we process.

Reported-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Tested-by: Nils Kanning <nils@kanning.de>
Tested-by: Rafi Rubin <rafi@seas.upenn.edu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

parent 61c91dd4

drivers/input/tablet/wacom_sys.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -398,6 +398,8 @@ static int wacom_parse_hid(struct usb_interface *intf,
		break;

		case HID_USAGE_CONTACTMAX:
		/* leave touch_max as is if predefined */
		if (!features->touch_max)
		wacom_retrieve_report_data(intf, features);
		i++;
		break;