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Input: wacom - add ABS_DISTANCE to Bamboo Pen reports

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Tablet reports a distance of 0 right at highest point possible
to be in proximity and distance_max when touching tablet. Inverse
the distance since user land has no way of knowing ABS_DISTANCE
is not distance from tablet.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Chris Bagwell 2011-10-10 08:52:13 -07:00 committed by Dmitry Torokhov
parent 3d11ae8190
commit c18c2cec31
1 changed files with 23 additions and 12 deletions
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35
drivers/input/tablet/wacom_wac.c
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@ -873,7 +873,15 @@ static int wacom_bpt_pen(struct wacom_wac *wacom)
x = le16_to_cpup((__le16 *)&data[2]);
y = le16_to_cpup((__le16 *)&data[4]);
p = le16_to_cpup((__le16 *)&data[6]);
d = data[8];
/*
* Convert distance from out prox to distance from tablet.
* distance will be greater than distance_max once
* touching and applying pressure; do not report negative
* distance.
*/
if (data[8] <= wacom->features.distance_max)
d = wacom->features.distance_max - data[8];
pen = data[1] & 0x01;
btn1 = data[1] & 0x02;
btn2 = data[1] & 0x04;
@ -1222,6 +1230,9 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
__set_bit(BTN_TOOL_PEN, input_dev->keybit);
__set_bit(BTN_STYLUS, input_dev->keybit);
__set_bit(BTN_STYLUS2, input_dev->keybit);
input_set_abs_params(input_dev, ABS_DISTANCE, 0,
features->distance_max,
0, 0);
}
break;
}
@ -1442,37 +1453,37 @@ static const struct wacom_features wacom_features_0x47 =
31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD0 =
{ "Wacom Bamboo 2FG", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD1 =
{ "Wacom Bamboo 2FG 4x5", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD2 =
{ "Wacom Bamboo Craft", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD3 =
{ "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD4 =
{ "Wacom Bamboo Pen", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD5 =
{ "Wacom Bamboo Pen 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD6 =
{ "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD7 =
{ "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD8 =
{ "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xDA =
{ "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static struct wacom_features wacom_features_0xDB =
{ "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023,
63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x6004 =
{ "ISD-V4", WACOM_PKGLEN_GRAPHIRE, 12800, 8000, 255,
0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };