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Date: Fri, 29 Mar 2024 08:37:47 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Markuss Broks <markuss.broks@...il.com>,
	Karel Balej <balejk@...fyz.cz>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Sasha Levin <sashal@...nel.org>,
	linux-input@...r.kernel.org
Subject: [PATCH AUTOSEL 6.8 76/98] input/touchscreen: imagis: Correct the maximum touch area value

From: Markuss Broks <markuss.broks@...il.com>

[ Upstream commit 54a62ed17a705ef1ac80ebca2b62136b19243e19 ]

As specified in downstream IST3038B driver and proved by testing,
the correct maximum reported value of touch area is 16.

Signed-off-by: Markuss Broks <markuss.broks@...il.com>
Signed-off-by: Karel Balej <balejk@...fyz.cz>
Link: https://lore.kernel.org/r/20240301164659.13240-2-karelb@gimli.ms.mff.cuni.cz
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/input/touchscreen/imagis.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/imagis.c b/drivers/input/touchscreen/imagis.c
index 07111ca244556..e67fd30110278 100644
--- a/drivers/input/touchscreen/imagis.c
+++ b/drivers/input/touchscreen/imagis.c
@@ -210,7 +210,7 @@ static int imagis_init_input_dev(struct imagis_ts *ts)
 
 	input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X);
 	input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y);
-	input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
+	input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 16, 0, 0);
 
 	touchscreen_parse_properties(input_dev, true, &ts->prop);
 	if (!ts->prop.max_x || !ts->prop.max_y) {
-- 
2.43.0


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