Input: 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@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
CC: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Aristeu Rozanski 2010-10-10 14:12:33 -07:00 committed by Dmitry Torokhov
parent f6cd378372
commit ca047fedd8

View 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));