From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Kurtz Subject: [PATCH 13/20] Input: atmel_mxt_ts - parse vector field of data packets Date: Tue, 13 Mar 2012 20:04:16 +0800 Message-ID: <1331640263-18935-14-git-send-email-djkurtz@chromium.org> References: <1331640263-18935-1-git-send-email-djkurtz@chromium.org> Return-path: Received: from mail-gy0-f202.google.com ([209.85.160.202]:35068 "EHLO mail-gy0-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752843Ab2CMMEc (ORCPT ); Tue, 13 Mar 2012 08:04:32 -0400 Received: by ghbz15 with SMTP id z15so56266ghb.1 for ; Tue, 13 Mar 2012 05:04:31 -0700 (PDT) In-Reply-To: <1331640263-18935-1-git-send-email-djkurtz@chromium.org> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov , Joonyoung Shim , Iiro Valkonen , Henrik Rydberg , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Benson Leung , Yufeng Shen , Daniel Kurtz The atmel_mxt_ts T9 data contains information orientation in its 'vector' field. Parse and debug print its contents, although its value isn't actually used yet. Signed-off-by: Daniel Kurtz --- drivers/input/touchscreen/atmel_mxt_ts.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index fa692e5..e05540d 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -528,6 +528,7 @@ static void mxt_input_touchevent(struct mxt_data *data, int y; int area; int amplitude; + int vector1, vector2; status = message->message[0]; x = (message->message[1] << 4) | ((message->message[3] >> 4) & 0xf); @@ -540,8 +541,12 @@ static void mxt_input_touchevent(struct mxt_data *data, area = message->message[4]; amplitude = message->message[5]; + /* The two vector components are 4-bit signed ints (2s complement) */ + vector1 = (signed)((signed char)message->message[6]) >> 4; + vector2 = (signed)((signed char)(message->message[6] << 4)) >> 4; + dev_dbg(dev, - "[%d] %c%c%c%c%c%c%c%c x: %d y: %d area: %d amp: %d\n", + "[%d] %c%c%c%c%c%c%c%c x: %d y: %d area: %d amp: %d vector: [%d,%d]\n", id, (status & MXT_DETECT) ? 'D' : '.', (status & MXT_PRESS) ? 'P' : '.', @@ -551,7 +556,7 @@ static void mxt_input_touchevent(struct mxt_data *data, (status & MXT_AMP) ? 'A' : '.', (status & MXT_SUPPRESS) ? 'S' : '.', (status & MXT_UNGRIP) ? 'U' : '.', - x, y, area, amplitude); + x, y, area, amplitude, vector1, vector2); input_mt_slot(input_dev, id); input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, @@ -563,6 +568,7 @@ static void mxt_input_touchevent(struct mxt_data *data, input_report_abs(input_dev, ABS_MT_PRESSURE, amplitude); /* TODO: This should really be sqrt(area) */ input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area); + /* TODO: Use vector to report ORIENTATION & TOUCH_MINOR */ } input_mt_report_pointer_emulation(input_dev, false); -- 1.7.7.3