From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752792Ab1HPAXr (ORCPT ); Mon, 15 Aug 2011 20:23:47 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:53015 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751560Ab1HPAXp (ORCPT ); Mon, 15 Aug 2011 20:23:45 -0400 Message-ID: <4E49B848.9010705@cn.fujitsu.com> Date: Tue, 16 Aug 2011 08:22:32 +0800 From: Wanlong Gao Reply-To: gaowanlong@cn.fujitsu.com Organization: FNST User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110322 Red Hat/3.1.9-3.el6_0 Thunderbird/3.1.9 MIME-Version: 1.0 To: Yufeng Shen CC: linux-input@vger.kernel.org, Dmitry Torokhov , Henrik Rydberg , Iiro Valkonen , Joonyoung Shim , linux-kernel@vger.kernel.org, Michael Gong , Alan Bowens Subject: Re: [PATCH v3] Input: atmel_mxt_ts - Report pressure information from the driver References: <1313420550-5885-1-git-send-email-miletus@chromium.org> In-Reply-To: <1313420550-5885-1-git-send-email-miletus@chromium.org> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-08-16 08:22:24, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-08-16 08:22:24, Serialize complete at 2011-08-16 08:22:24 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/15/2011 11:02 PM, Yufeng Shen wrote: > Atmel mxt1386 touch controller has the touch pressure information but > the current driver atmel_mxt_ts does not expose it to the user space. > This patch makes the driver report the touch pressure information to > user space. > > ChangeLog: > v2: fixed indentation as commented by Wanlong Gao > v3: added signed-off-by > > Change-Id: Ie0e4683a3cd5ec79222f7682b0ddc24f909af543 > Signed-off-by: Yufeng Shen Acked-by: Wanlong Gao > --- > drivers/input/touchscreen/atmel_mxt_ts.c | 8 ++++++++ > 1 files changed, 8 insertions(+), 0 deletions(-) > > diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c > index ae00604..9bdf4e0 100644 > --- a/drivers/input/touchscreen/atmel_mxt_ts.c > +++ b/drivers/input/touchscreen/atmel_mxt_ts.c > @@ -244,6 +244,7 @@ struct mxt_finger { > int x; > int y; > int area; > + int pressure; > }; > > /* Each client has this additional data */ > @@ -536,6 +537,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id) > finger[id].x); > input_report_abs(input_dev, ABS_MT_POSITION_Y, > finger[id].y); > + input_report_abs(input_dev, ABS_MT_PRESSURE, > + finger[id].pressure); > } else { > finger[id].status = 0; > } > @@ -560,6 +563,7 @@ static void mxt_input_touchevent(struct mxt_data *data, > int x; > int y; > int area; > + int pressure; > > /* Check the touch is present on the screen */ > if (!(status& MXT_DETECT)) { > @@ -584,6 +588,7 @@ static void mxt_input_touchevent(struct mxt_data *data, > y = y>> 2; > > area = message->message[4]; > + pressure = message->message[5]; > > dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id, > status& MXT_MOVE ? "moved" : "pressed", > @@ -594,6 +599,7 @@ static void mxt_input_touchevent(struct mxt_data *data, > finger[id].x = x; > finger[id].y = y; > finger[id].area = area; > + finger[id].pressure = pressure; > > mxt_input_report(data, id); > } > @@ -1125,6 +1131,8 @@ static int __devinit mxt_probe(struct i2c_client *client, > 0, data->max_x, 0, 0); > input_set_abs_params(input_dev, ABS_MT_POSITION_Y, > 0, data->max_y, 0, 0); > + input_set_abs_params(input_dev, ABS_MT_PRESSURE, > + 0, 255, 0, 0); > > input_set_drvdata(input_dev, data); > i2c_set_clientdata(client, data); -- Thanks Wanlong Gao