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>
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committed by
Dmitry Torokhov
parent
61c91dd4a5
commit
1cecc5cc06
@@ -398,7 +398,9 @@ static int wacom_parse_hid(struct usb_interface *intf,
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break;
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break;
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case HID_USAGE_CONTACTMAX:
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case HID_USAGE_CONTACTMAX:
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wacom_retrieve_report_data(intf, features);
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/* leave touch_max as is if predefined */
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if (!features->touch_max)
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wacom_retrieve_report_data(intf, features);
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i++;
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i++;
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break;
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break;
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}
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}
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