linux-kernel - [PATCH 2/3] input: touchscreen: of: Register multitouch axes

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Date:	Wed,  5 Nov 2014 16:07:49 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Lothar Waßmann <LW@...O-electronics.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Henrik Rydberg <rydberg@...omail.se>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 2/3] input: touchscreen: of: Register multitouch axes

So far, the DT parsing code was only setting up the regular input axes,
completely ignoring their multitouch counter parts.

Fill them with the same parameters than the regular axes.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/input/touchscreen/of_touchscreen.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen/of_touchscreen.c
index 74d6b0eb50ac..cf2a753edd96 100644
--- a/drivers/input/touchscreen/of_touchscreen.c
+++ b/drivers/input/touchscreen/of_touchscreen.c
@@ -42,17 +42,23 @@ void touchscreen_parse_of_params(struct input_dev *dev)
 
 	maximum = of_get_optional_u32(np, "touchscreen-size-x");
 	fuzz = of_get_optional_u32(np, "touchscreen-fuzz-x");
-	if (maximum || fuzz)
+	if (maximum || fuzz) {
 		input_set_abs_params(dev, ABS_X, 0, maximum, fuzz, 0);
+		input_set_abs_params(dev, ABS_MT_POSITION_X, 0, maximum, fuzz, 0);
+	}
 
 	maximum = of_get_optional_u32(np, "touchscreen-size-y");
 	fuzz = of_get_optional_u32(np, "touchscreen-fuzz-y");
-	if (maximum || fuzz)
+	if (maximum || fuzz) {
 		input_set_abs_params(dev, ABS_Y, 0, maximum, fuzz, 0);
+		input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, maximum, fuzz, 0);
+	}
 
 	maximum = of_get_optional_u32(np, "touchscreen-max-pressure");
 	fuzz = of_get_optional_u32(np, "touchscreen-fuzz-pressure");
-	if (maximum || fuzz)
+	if (maximum || fuzz) {
 		input_set_abs_params(dev, ABS_PRESSURE, 0, maximum, fuzz, 0);
+		input_set_abs_params(dev, ABS_MT_PRESSURE, 0, maximum, fuzz, 0);
+	}
 }
 EXPORT_SYMBOL(touchscreen_parse_of_params);
-- 
2.1.1

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