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From: Johnny Chuang <johnny.chuang.emc@gmail.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Benjamin Tissoires <benjamin.tissoires@redhat.com>,
	Peter Hutterer <peter.hutterer@who-t.net>,
	linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
	Johnny Chuang <johnny.chuang@emc.com.tw>,
	Jennifer Tsai <jennifer.tsai@emc.com.tw>
Cc: James Chen <james.chen@emc.com.tw>,
	Paul Liang <paul.liang@emc.com.tw>,
	Jeff Chuang <jeff.chuang@emc.com.tw>
Subject: [PATCH] Input: elants_i2c - Report resolution information for touch major
Date: Thu, 27 Feb 2020 09:13:20 +0800	[thread overview]
Message-ID: <1582766000-23023-1-git-send-email-johnny.chuang.emc@gmail.com> (raw)

From: Johnny Chuang <johnny.chuang@emc.com.tw>

This patch supports reporting resolution for ABS_MT_TOUCH_MAJOR event.
This information is needed in showing pressure/width radius.

Signed-off-by: Johnny Chuang <johnny.chuang@emc.com.tw>
---
 drivers/input/touchscreen/elants_i2c.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 4911799..14c577c 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1309,6 +1309,7 @@ static int elants_i2c_probe(struct i2c_client *client,
 	input_set_abs_params(ts->input, ABS_MT_PRESSURE, 0, 255, 0, 0);
 	input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
 	input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
+	input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, 1);
 
 	error = input_register_device(ts->input);
 	if (error) {
-- 
2.7.4


             reply	other threads:[~2020-02-27  1:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27  1:13 Johnny Chuang [this message]
2020-02-27 18:44 ` [PATCH] Input: elants_i2c - Report resolution information for touch major Harry Cutts
2020-02-27 22:36 ` Peter Hutterer
2020-03-02  8:14   ` Johnny.Chuang
2020-03-06  6:27   ` Johnny.Chuang
2020-03-06  7:46   ` Johnny.Chuang
2020-03-06 17:45 ` Benjamin Tissoires
2020-03-06 18:05 ` Dmitry Torokhov

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