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Message-ID: <20191106070146.18759-10-jiada_wang@mentor.com>
Date: Wed, 6 Nov 2019 16:01:07 +0900
From: Jiada Wang <jiada_wang@...tor.com>
To: <jikos@...nel.org>, <benjamin.tissoires@...hat.com>,
<rydberg@...math.org>, <dmitry.torokhov@...il.com>,
<nick@...anahar.org>
CC: <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<jiada_wang@...tor.com>, <erosca@...adit-jv.com>,
<Andrew_Gabbasov@...tor.com>
Subject: [PATCH v5 09/48] Input: atmel_mxt_ts - handle reports from T47 Stylus object
From: Nick Dyer <nick.dyer@...ev.co.uk>
Signed-off-by: Nick Dyer <nick.dyer@...ev.co.uk>
Acked-by: Benson Leung <bleung@...omium.org>
Acked-by: Yufeng Shen <miletus@...omium.org>
(cherry picked from ndyer/linux/for-upstream commit 56405a5ea08eb34cfe83f3121867c9de0a5c48c1)
Signed-off-by: George G. Davis <george_davis@...tor.com>
Signed-off-by: Jiada Wang <jiada_wang@...tor.com>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 2df3104e94b9..661bfe4a43b9 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -823,6 +823,7 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message)
int area;
int amplitude;
u8 vector;
+ int tool;
id = message[0] - data->T9_reportid_min;
status = message[1];
@@ -836,6 +837,7 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message)
y >>= 2;
area = message[5];
+
amplitude = message[6];
vector = message[7];
@@ -865,12 +867,20 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message)
mxt_input_sync(data);
}
+ /* A size of zero indicates touch is from a linked T47 Stylus */
+ if (area == 0) {
+ area = MXT_TOUCH_MAJOR_DEFAULT;
+ tool = MT_TOOL_PEN;
+ } else {
+ tool = MT_TOOL_FINGER;
+ }
+
/* if active, pressure must be non-zero */
if (!amplitude)
amplitude = MXT_PRESSURE_DEFAULT;
/* Touch active */
- input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 1);
+ input_mt_report_slot_state(input_dev, tool, 1);
input_report_abs(input_dev, ABS_MT_POSITION_X, x);
input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
input_report_abs(input_dev, ABS_MT_PRESSURE, amplitude);
--
2.17.1
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