Input: wacom - fix pressure in Cintiq 21UX2
authorAristeu Rozanski <aris@redhat.com>
Sun, 10 Oct 2010 21:12:33 +0000 (14:12 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Sun, 10 Oct 2010 21:16:09 +0000 (14:16 -0700)
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@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
CC: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/input/tablet/wacom_wac.c

index 6e29badb969e44192be85080caf801851c3d06fa..47fd7a041c52e1898a8727c5386569fb3caed45c 100644 (file)
@@ -442,8 +442,10 @@ static void wacom_intuos_general(struct wacom_wac *wacom)
        /* 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,
                                ((data[7] << 1) & 0x7e) | (data[8] >> 7));