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
next 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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