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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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