From patchwork Thu Apr 23 23:13:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Tunin X-Patchwork-Id: 6265701 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 49FBC9F1C4 for ; Thu, 23 Apr 2015 23:13:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 72EA620431 for ; Thu, 23 Apr 2015 23:13:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 848AB203F3 for ; Thu, 23 Apr 2015 23:13:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934016AbbDWXNx (ORCPT ); Thu, 23 Apr 2015 19:13:53 -0400 Received: from mail-lb0-f180.google.com ([209.85.217.180]:34067 "EHLO mail-lb0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758454AbbDWXNw (ORCPT ); Thu, 23 Apr 2015 19:13:52 -0400 Received: by lbcga7 with SMTP id ga7so24307740lbc.1; Thu, 23 Apr 2015 16:13:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=eS7cGbrD6X9HsxHYoNIHnLXO7mpkVFHdE/0AUFgTHiU=; b=AVJKIMSD38bcSgzVBpWABmWU++kQtAqEXmciWmgyCJHXYXWfFZxPqVBI8yDO+NmZZ4 lHECL58hBDVCoqL8uq+0NnmY04kbkmAyNhookO8fP2kIcNe1o1l4jvGh5S4paXHeTI3n rJQzul3LUbmHPbP3k92NFxPv1+cWhag04hxnPUpjMJPD+TJSQPqwC+kOrLNDjYngJmHC bmhspLFYvUnNvCdOApER3ku1ZpFcL+zh4/TNXkyKUK5qc3EBnMEn4mpX2BDb+nqWhPLF OBDICrtsafTtxHo2cTC/oFnxLo1lrKjMD5bGrp5GqDMnLCyW/bQa3RpxhCePMGrYU2Ls 7Gmw== X-Received: by 10.112.132.9 with SMTP id oq9mr4490373lbb.26.1429830830941; Thu, 23 Apr 2015 16:13:50 -0700 (PDT) Received: from localhost.localdomain ([2.92.165.225]) by mx.google.com with ESMTPSA id dh4sm2173387lac.12.2015.04.23.16.13.50 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 23 Apr 2015 16:13:50 -0700 (PDT) From: Dmitry Tunin To: linux-input@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Mathias Gottschlag , Dmitry Tunin Subject: [PATCH] psmouse - focaltech pass finger width to userspace Date: Fri, 24 Apr 2015 02:13:41 +0300 Message-Id: <1429830821-4081-1-git-send-email-hanipouspilot@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Focaltech touchpads report finger width in packet[5] of absolute packet. Range for width in raw format is 0x10 - 0x70. Second half-byte is always 0. 0xff is reported, when a large contact area is detected. This can be handled in userspace. --- drivers/input/mouse/focaltech.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c index 23d2594..ea53f8b 100644 --- a/drivers/input/mouse/focaltech.c +++ b/drivers/input/mouse/focaltech.c @@ -90,6 +90,13 @@ struct focaltech_finger_state { */ unsigned int x; unsigned int y; + + /* + * Finger width 0-7 and 15 for 'latching' + * 15 value stays until the finger is released + * Width is reported only in absolute packets + */ + unsigned int width; }; /* @@ -112,7 +119,7 @@ struct focaltech_data { struct focaltech_hw_state state; }; -static void focaltech_report_state(struct psmouse *psmouse) +static void focaltech_report_state(struct psmouse *psmouse, bool abs) { struct focaltech_data *priv = psmouse->private; struct focaltech_hw_state *state = &priv->state; @@ -137,6 +144,7 @@ static void focaltech_report_state(struct psmouse *psmouse) input_report_abs(dev, ABS_MT_POSITION_X, clamped_x); input_report_abs(dev, ABS_MT_POSITION_Y, priv->y_max - clamped_y); + if (abs) input_report_abs(dev, ABS_TOOL_WIDTH, state->width); } } input_mt_report_pointer_emulation(dev, true); @@ -187,6 +195,7 @@ static void focaltech_process_abs_packet(struct psmouse *psmouse, state->fingers[finger].x = ((packet[1] & 0xf) << 8) | packet[2]; state->fingers[finger].y = (packet[3] << 8) | packet[4]; + state->fingers[finger].width = packet[5] >> 4; state->fingers[finger].valid = true; } @@ -228,14 +237,17 @@ static void focaltech_process_packet(struct psmouse *psmouse) switch (packet[0] & 0xf) { case FOC_TOUCH: focaltech_process_touch_packet(psmouse, packet); + focaltech_report_state(psmouse, false); break; case FOC_ABS: focaltech_process_abs_packet(psmouse, packet); + focaltech_report_state(psmouse, true); break; case FOC_REL: focaltech_process_rel_packet(psmouse, packet); + focaltech_report_state(psmouse, false); break; default: @@ -243,7 +255,6 @@ static void focaltech_process_packet(struct psmouse *psmouse) break; } - focaltech_report_state(psmouse); } static psmouse_ret_t focaltech_process_byte(struct psmouse *psmouse) @@ -331,6 +342,7 @@ static void focaltech_set_input_params(struct psmouse *psmouse) __set_bit(EV_ABS, dev->evbit); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); + input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); input_mt_init_slots(dev, 5, INPUT_MT_POINTER); __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); }