summaryrefslogtreecommitdiffstats
path: root/drivers/input/touchscreen
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-12-16 09:17:48 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-12-16 09:17:48 -0800
commit67b989a0c17e34a7c2c095e58a2f3d1b4408e3cb (patch)
treec076d2f0b5d4ae8726a50206042d3e3a41620fe4 /drivers/input/touchscreen
parent56a8bd6dcf81693e61a712097216904f3a4ab536 (diff)
parent69479f8da68f1930b2078b2ebf6533fb00339918 (diff)
downloadlinux-67b989a0c17e34a7c2c095e58a2f3d1b4408e3cb.tar.bz2
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rydberg/input-mt into next
Conflicts: drivers/input/Makefile
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/wacom_w8001.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index 9ae4c7b16ba7..2a0bec12d12a 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -15,7 +15,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/input.h>
+#include <linux/input/mt.h>
#include <linux/serio.h>
#include <linux/init.h>
#include <linux/ctype.h>
@@ -48,8 +48,6 @@ MODULE_LICENSE("GPL");
#define W8001_PKTLEN_TPCCTL 11 /* control packet */
#define W8001_PKTLEN_TOUCH2FG 13
-#define MAX_TRACKING_ID 0xFF /* arbitrarily chosen */
-
struct w8001_coord {
u8 rdy;
u8 tsw;
@@ -87,7 +85,6 @@ struct w8001 {
char phys[32];
int type;
unsigned int pktlen;
- int trkid[2];
};
static void parse_data(u8 *data, struct w8001_coord *coord)
@@ -116,28 +113,23 @@ static void parse_data(u8 *data, struct w8001_coord *coord)
static void parse_touch(struct w8001 *w8001)
{
- static int trkid;
struct input_dev *dev = w8001->dev;
unsigned char *data = w8001->data;
int i;
for (i = 0; i < 2; i++) {
- input_mt_slot(dev, i);
+ bool touch = data[0] & (1 << i);
- if (data[0] & (1 << i)) {
+ input_mt_slot(dev, i);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch);
+ if (touch) {
int x = (data[6 * i + 1] << 7) | (data[6 * i + 2]);
int y = (data[6 * i + 3] << 7) | (data[6 * i + 4]);
/* data[5,6] and [11,12] is finger capacity */
input_report_abs(dev, ABS_MT_POSITION_X, x);
input_report_abs(dev, ABS_MT_POSITION_Y, y);
- input_report_abs(dev, ABS_MT_TOOL_TYPE, MT_TOOL_FINGER);
- if (w8001->trkid[i] < 0)
- w8001->trkid[i] = trkid++ & MAX_TRACKING_ID;
- } else {
- w8001->trkid[i] = -1;
}
- input_report_abs(dev, ABS_MT_TRACKING_ID, w8001->trkid[i]);
}
input_sync(dev);
@@ -318,15 +310,13 @@ static int w8001_setup(struct w8001 *w8001)
case 5:
w8001->pktlen = W8001_PKTLEN_TOUCH2FG;
- input_mt_create_slots(dev, 2);
- input_set_abs_params(dev, ABS_MT_TRACKING_ID,
- 0, MAX_TRACKING_ID, 0, 0);
+ input_mt_init_slots(dev, 2);
input_set_abs_params(dev, ABS_MT_POSITION_X,
0, touch.x, 0, 0);
input_set_abs_params(dev, ABS_MT_POSITION_Y,
0, touch.y, 0, 0);
input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
- 0, 0, 0, 0);
+ 0, MT_TOOL_MAX, 0, 0);
break;
}
}
@@ -372,7 +362,6 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
w8001->serio = serio;
w8001->id = serio->id.id;
w8001->dev = input_dev;
- w8001->trkid[0] = w8001->trkid[1] = -1;
init_completion(&w8001->cmd_done);
snprintf(w8001->phys, sizeof(w8001->phys), "%s/input0", serio->phys);