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

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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>
This commit is contained in:
Ping Cheng 2012-06-28 16:47:30 -07:00 committed by Dmitry Torokhov
parent 61c91dd4a5
commit 1cecc5cc06
1 changed files with 3 additions and 1 deletions
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4
drivers/input/tablet/wacom_sys.c
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@ -398,7 +398,9 @@ static int wacom_parse_hid(struct usb_interface *intf,
break;
case HID_USAGE_CONTACTMAX:
wacom_retrieve_report_data(intf, features);
/* leave touch_max as is if predefined */
if (!features->touch_max)
wacom_retrieve_report_data(intf, features);
i++;
break;
}