[PATCH 17/25] HID: multitouch: fix protocol for Cando 2087:0a02

From: Benjamin Tissoires
Date: Fri Jan 25 2013 - 08:23:54 EST


Cando 2087:0a02 was broken, this fixes it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>
---
drivers/hid/hid-multitouch.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 6db423f..9d8228a 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -122,6 +122,7 @@ struct mt_device {
#define MT_CLS_CONTACT_ID 0x0011
#define MT_CLS_MINUS_ONE 0x0012
#define MT_CLS_DUAL_CONTACT_ID 0x0013
+#define MT_CLS_DUAL_CONTACT_NUMBER 0x0014

/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -197,6 +198,11 @@ static struct mt_class mt_classes[] = {
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_SLOT_IS_CONTACTID,
.maxcontacts = 2 },
+ { .name = MT_CLS_DUAL_CONTACT_NUMBER,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_SLOT_IS_CONTACTNUMBER,
+ .maxcontacts = 2 },

/*
* vendor specific classes
@@ -969,7 +975,7 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
- { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
+ { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
--
1.8.1

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