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From: Ping Cheng <pinglinux@gmail.com>
To: linux-input@vger.kernel.org
Cc: dmitry.torokhov@gmail.com, Ping Cheng <pinglinux@gmail.com>,
	Ping Cheng <pingc@wacom.com>
Subject: [PATCH 2/2] input: wacom - Pass touch resolution to clients through input_absinfo
Date: Sun, 23 Jan 2011 15:26:41 -0800	[thread overview]
Message-ID: <1295825201-12567-1-git-send-email-pinglinux@gmail.com> (raw)

Fixed the workaround used for kernels older than 2.6.35.

Signed-off-by: Ping Cheng <pingc@wacom.com>
---
 drivers/input/tablet/wacom_wac.c |   18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index f44c822..497d0ba 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1105,7 +1105,7 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 				    struct wacom_wac *wacom_wac)
 {
 	struct wacom_features *features = &wacom_wac->features;
-	int i;
+	int i, res;
 
 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
 
@@ -1228,8 +1228,13 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 	case TABLETPC:
 		if (features->device_type == BTN_TOOL_DOUBLETAP ||
 		    features->device_type == BTN_TOOL_TRIPLETAP) {
-			input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
-			input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
+			/* set touch resolution in points/mm */
+			res = features->x_phy/100;
+			input_abs_set_res(input_dev, ABS_X,
+					    features->x_max/res);
+			res = features->y_phy/100;
+			input_abs_set_res(input_dev, ABS_Y,
+					    features->y_max/res);
 			__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
 		}
 
@@ -1272,6 +1277,13 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 			input_set_abs_params(input_dev, ABS_MT_PRESSURE,
 					     0, features->pressure_max,
 					     features->pressure_fuzz, 0);
+			/* set touch resolution in points/mm */
+			res = features->x_phy/100;
+			input_abs_set_res(input_dev, ABS_X,
+					    features->x_max/res);
+			res = features->y_phy/100;
+			input_abs_set_res(input_dev, ABS_Y,
+					    features->y_max/res);
 		} else if (features->device_type == BTN_TOOL_PEN) {
 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
-- 
1.7.3.4


             reply	other threads:[~2011-01-23 23:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-23 23:26 Ping Cheng [this message]
2011-01-24 14:40 ` [2/2] input: wacom - Pass touch resolution to clients through input_absinfo Henrik Rydberg
2011-01-24 18:18   ` Ping Cheng
2011-01-24 18:36     ` Dmitry Torokhov
2011-01-24 20:09       ` Ping Cheng

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