linux-kernel - [PATCH 5.7 187/244] Revert "Input: elants_i2c - report resolution information for touch major"

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Date:   Mon, 20 Jul 2020 17:37:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Harry Cutts <hcutts@...omium.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: [PATCH 5.7 187/244] Revert "Input: elants_i2c - report resolution information for touch major"

From: Dmitry Torokhov <dmitry.torokhov@...il.com>

commit 93b9de223c0135db495c25334e66cb669bef13e2 upstream.

This reverts commit 061706716384f1633d3d5090b22a99f33f1fcf2f - it turns
out that the resolution of 1 unit per mm was not correct for a number of
touch screens, causing touch sizes to be reported as way too large.
See https://crbug.com/1085648

Reported-by: Harry Cutts <hcutts@...omium.org>
Cc: stable@...r.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/input/touchscreen/elants_i2c.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1318,7 +1318,6 @@ static int elants_i2c_probe(struct i2c_c
 			     0, MT_TOOL_PALM, 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) {