linux-kernel - [PATCH] wacom: fix pressure in Cintiq 21UX2

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Message-ID: <20101008141627.GN341@redhat.com>
Date:	Fri, 8 Oct 2010 10:16:27 -0400
From:	Aristeu Rozanski <aris@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Ping Cheng <pinglinux@...il.com>
Subject: [PATCH] wacom: fix pressure in Cintiq 21UX2

Currently the pressure range in Cintiq 21UX2 is limited to half of the
supported. This patch fixes the problem.

Signed-off-by: Aristeu Rozanski <aris@...hat.com>

---
 drivers/input/tablet/wacom_wac.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- linus-2.6.orig/drivers/input/tablet/wacom_wac.c	2010-09-22 14:52:22.000000000 -0400
+++ linus-2.6/drivers/input/tablet/wacom_wac.c	2010-10-07 17:20:30.000000000 -0400
@@ -442,7 +442,8 @@ static void wacom_intuos_general(struct 
 	/* general pen packet */
 	if ((data[1] & 0xb8) == 0xa0) {
 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
-		if (features->type >= INTUOS4S && features->type <= INTUOS4L)
+		if (features->type >= INTUOS4S && features->type <= INTUOS4L ||
+		    features->type == WACOM_21UX2)
 			t = (t << 1) | (data[1] & 1);
 		input_report_abs(input, ABS_PRESSURE, t);
 		input_report_abs(input, ABS_TILT_X,
--
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