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Message-ID: <20231003133440.4696-2-karelb@gimli.ms.mff.cuni.cz>
Date:   Tue,  3 Oct 2023 15:34:15 +0200
From:   karelb@...li.ms.mff.cuni.cz
To:     Markuss Broks <markuss.broks@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Henrik Rydberg <rydberg@...math.org>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Cc:     Duje Mihanović <duje.mihanovic@...le.hr>,
        Karel Balej <karelb@...li.ms.mff.cuni.cz>,
        Karel Balej <balejk@...fyz.cz>
Subject: [PATCH v2 1/5] input/touchscreen: imagis: Correct the maximum touch area value

From: Karel Balej <karelb@...li.ms.mff.cuni.cz>

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

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>
---
 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 07111ca24455..e67fd3011027 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) {
-- 
2.42.0

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