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path: root/drivers/hid/hid-3m-pct.c
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Diffstat (limited to 'drivers/hid/hid-3m-pct.c')
-rw-r--r--drivers/hid/hid-3m-pct.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/hid/hid-3m-pct.c b/drivers/hid/hid-3m-pct.c
index c31e0be8ccea..2a0d56b7a02b 100644
--- a/drivers/hid/hid-3m-pct.c
+++ b/drivers/hid/hid-3m-pct.c
@@ -1,7 +1,7 @@
/*
* HID driver for 3M PCT multitouch panels
*
- * Copyright (c) 2009 Stephane Chatty <chatty@enac.fr>
+ * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
*
*/
@@ -25,7 +25,7 @@ MODULE_LICENSE("GPL");
#include "hid-ids.h"
struct mmm_finger {
- __s32 x, y;
+ __s32 x, y, w, h;
__u8 rank;
bool touch, valid;
};
@@ -82,7 +82,18 @@ static int mmm_input_mapping(struct hid_device *hdev, struct hid_input *hi,
/* touchscreen emulation */
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
return 1;
+ case HID_DG_WIDTH:
+ hid_map_usage(hi, usage, bit, max,
+ EV_ABS, ABS_MT_TOUCH_MAJOR);
+ return 1;
+ case HID_DG_HEIGHT:
+ hid_map_usage(hi, usage, bit, max,
+ EV_ABS, ABS_MT_TOUCH_MINOR);
+ input_set_abs_params(hi->input, ABS_MT_ORIENTATION,
+ 1, 1, 0, 0);
+ return 1;
case HID_DG_CONTACTID:
+ field->logical_maximum = 59;
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TRACKING_ID);
return 1;
@@ -128,9 +139,15 @@ static void mmm_filter_event(struct mmm_data *md, struct input_dev *input)
/* this finger is just placeholder data, ignore */
} else if (f->touch) {
/* this finger is on the screen */
+ int wide = (f->w > f->h);
input_event(input, EV_ABS, ABS_MT_TRACKING_ID, i);
input_event(input, EV_ABS, ABS_MT_POSITION_X, f->x);
input_event(input, EV_ABS, ABS_MT_POSITION_Y, f->y);
+ input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
+ input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR,
+ wide ? f->w : f->h);
+ input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR,
+ wide ? f->h : f->w);
input_mt_sync(input);
/*
* touchscreen emulation: maintain the age rank
@@ -197,6 +214,14 @@ static int mmm_event(struct hid_device *hid, struct hid_field *field,
case HID_DG_CONFIDENCE:
md->valid = value;
break;
+ case HID_DG_WIDTH:
+ if (md->valid)
+ md->f[md->curid].w = value;
+ break;
+ case HID_DG_HEIGHT:
+ if (md->valid)
+ md->f[md->curid].h = value;
+ break;
case HID_DG_CONTACTID:
if (md->valid) {
md->curid = value;
@@ -255,6 +280,7 @@ static void mmm_remove(struct hid_device *hdev)
static const struct hid_device_id mmm_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
{ }
};
MODULE_DEVICE_TABLE(hid, mmm_devices);
@@ -287,5 +313,4 @@ static void __exit mmm_exit(void)
module_init(mmm_init);
module_exit(mmm_exit);
-MODULE_LICENSE("GPL");