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Subject[PATCH v2 7/9] HID: multitouch: fix protocol for Cando 2087:0a02
Date
Cando 2087:0a02 was broken, this fixes it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
---
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 71daf57..f106e90 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -115,6 +115,7 @@ struct mt_device {
#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
#define MT_CLS_ALWAYS_TRUE 0x000a
+#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010

/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -177,6 +178,11 @@ static struct mt_class mt_classes[] = {
{ .name = MT_CLS_ALWAYS_TRUE,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE },
+ { .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
@@ -947,7 +953,7 @@ 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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