diff options
Diffstat (limited to 'drivers/input/touchscreen/wacom_w8001.c')
| -rw-r--r-- | drivers/input/touchscreen/wacom_w8001.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c index 4a2e8cf4c8ef..2a0bec12d12a 100644 --- a/drivers/input/touchscreen/wacom_w8001.c +++ b/drivers/input/touchscreen/wacom_w8001.c @@ -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); @@ -319,14 +311,12 @@ static int w8001_setup(struct w8001 *w8001) w8001->pktlen = W8001_PKTLEN_TOUCH2FG; input_mt_init_slots(dev, 2); - input_set_abs_params(dev, ABS_MT_TRACKING_ID, - 0, MAX_TRACKING_ID, 0, 0); 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); |