From: Chris Bagwell <chris@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Reviewed-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
Acked-by: Ping Cheng <pingc@xxxxxxxxx>
---
drivers/input/tablet/wacom_wac.c | 34 ++++++++++++++++++++++------------
1 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index f4206b5..e572b46 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -873,7 +873,14 @@ 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 +1229,9 @@ 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 +1452,37 @@ 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 };
--
1.7.6
--
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