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

From: Johnny Chuang <johnny.chuang@....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@....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

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