From patchwork Wed Mar 2 00:18:22 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping Cheng X-Patchwork-Id: 601511 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p220JF0c003088 for ; Wed, 2 Mar 2011 00:19:36 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757594Ab1CBATg (ORCPT ); Tue, 1 Mar 2011 19:19:36 -0500 Received: from mail-px0-f174.google.com ([209.85.212.174]:37060 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757298Ab1CBATf (ORCPT ); Tue, 1 Mar 2011 19:19:35 -0500 Received: by pxi15 with SMTP id 15so894013pxi.19 for ; Tue, 01 Mar 2011 16:19:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:date:message-id:x-mailer; bh=Nx8Asj03bQ2R5UC2vwJ0beSsqUXJwH6jrYAi4GVKM4M=; b=PS/F9M3GkGK2YUPtn0z8FIuesmW6tfvWEPjHk3BWVL2BqRCPYdf83IVxPuHFcqALcS TTDK6xI5lRw79RTh1GjTgcBTev+o+ePLqpNqei0Axdl5L41Vp/EG0K42M3ac6USZYtnj dX/Hgjw90FP2QfF581GEzU6260FW22hoieg3o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=kliF6EIHVKIQRnj8htWTOAoFRWRWatd85Rqp4dg9+37vCYhfIhKMB+wEjiO7IPuNke /Jx5jJIwSRHtAZp5gv9gxbZVEvRECdmUgoIjd2ZFwfUX2n39NG6wJgkyUrMRD+uPKzak qZxpy8e38Quu9e4QLWM2vvQ4PAbQZlXC1QShg= Received: by 10.142.185.17 with SMTP id i17mr5909615wff.353.1299025175058; Tue, 01 Mar 2011 16:19:35 -0800 (PST) Received: from localhost.localdomain ([67.51.163.10]) by mx.google.com with ESMTPS id s41sm8204908wfc.3.2011.03.01.16.19.33 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 01 Mar 2011 16:19:34 -0800 (PST) From: Ping Cheng To: linux-input@vger.kernel.org Cc: rydberg@euromail.se, Ping Cheng , Ping Cheng Subject: [PATCH 2/4] input - wacom : process pen data in its own routine Date: Tue, 1 Mar 2011 16:18:22 -0800 Message-Id: <1299025102-8550-1-git-send-email-pinglinux@gmail.com> X-Mailer: git-send-email 1.7.4 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 02 Mar 2011 00:19:36 +0000 (UTC) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 5488c61..15bab99 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -722,13 +722,47 @@ static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len) } } -static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) +static int wacom_tpc_pen(struct wacom_wac *wacom) { struct wacom_features *features = &wacom->features; char *data = wacom->data; struct input_dev *input = wacom->input; - int prox = 0, pressure; - int retval = 0; + int prox, pressure; + + prox = data[1] & 0x20; + + if (!wacom->shared->stylus_in_proximity) { /* first in prox */ + /* Going into proximity select tool */ + wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; + if (wacom->tool[0] == BTN_TOOL_PEN) + wacom->id[0] = STYLUS_DEVICE_ID; + else + wacom->id[0] = ERASER_DEVICE_ID; + + wacom->shared->stylus_in_proximity = true; + } + input_report_key(input, BTN_STYLUS, data[1] & 0x02); + input_report_key(input, BTN_STYLUS2, data[1] & 0x10); + input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); + input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); + pressure = ((data[7] & 0x01) << 8) | data[6]; + if (pressure < 0) + pressure = features->pressure_max + pressure + 1; + input_report_abs(input, ABS_PRESSURE, pressure); + input_report_key(input, BTN_TOUCH, data[1] & 0x05); + if (!prox) { /* out-prox */ + wacom->id[0] = 0; + wacom->shared->stylus_in_proximity = false; + } + input_report_key(input, wacom->tool[0], prox); + + return 1; +} + +static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) +{ + char *data = wacom->data; + int prox = 0; dbg("wacom_tpc_irq: received report #%d", data[0]); @@ -757,37 +791,10 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) } /* keep prox bit to send proper out-prox event */ wacom->id[1] = prox; - } else if (data[0] == WACOM_REPORT_PENABLED) { /* Penabled */ - prox = data[1] & 0x20; - - if (!wacom->shared->stylus_in_proximity) { /* first in prox */ - /* Going into proximity select tool */ - wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; - if (wacom->tool[0] == BTN_TOOL_PEN) - wacom->id[0] = STYLUS_DEVICE_ID; - else - wacom->id[0] = ERASER_DEVICE_ID; + } else if (data[0] == WACOM_REPORT_PENABLED) + return wacom_tpc_pen(wacom); - wacom->shared->stylus_in_proximity = true; - } - input_report_key(input, BTN_STYLUS, data[1] & 0x02); - input_report_key(input, BTN_STYLUS2, data[1] & 0x10); - input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); - input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); - pressure = ((data[7] & 0x01) << 8) | data[6]; - if (pressure < 0) - pressure = features->pressure_max + pressure + 1; - input_report_abs(input, ABS_PRESSURE, pressure); - input_report_key(input, BTN_TOUCH, data[1] & 0x05); - if (!prox) { /* out-prox */ - wacom->id[0] = 0; - wacom->shared->stylus_in_proximity = false; - } - input_report_key(input, wacom->tool[0], prox); - input_report_abs(input, ABS_MISC, wacom->id[0]); - retval = 1; - } - return retval; + return 0; } static int wacom_bpt_touch(struct wacom_wac *wacom)