HID: hid-multitouch: add support for PenMount dual-touch panel

This patch adds PenMount support to hid-multitouch.  A new class
MT_CLS_CONFIDENCE is defined for PenMount, since it uses HID_DG_CONFIDENCE as
the valid flag.

Signed-off-by: John Sung <penmount.touch@gmail.com>
[benjamin.tissoires@enac.fr: rebased on top of last_index_field changes]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 6005e7888b14..51b5d272458f 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -89,6 +89,7 @@ struct mt_class {
 #define MT_CLS_EGALAX                           5
 #define MT_CLS_STANTUM                          6
 #define MT_CLS_3M                               7
+#define MT_CLS_CONFIDENCE                       8
 
 #define MT_DEFAULT_MAXCONTACT   10
 
@@ -156,6 +157,8 @@ struct mt_class mt_classes[] = {
                 .sn_move = 2048,
                 .sn_width = 128,
                 .sn_height = 128 },
+        { .name = MT_CLS_CONFIDENCE,
+                .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
 
         { }
 };
@@ -584,6 +587,11 @@ static const struct hid_device_id mt_devices[] = {
                 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
                         USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
 
+        /* PenMount panels */
+        { .driver_data = MT_CLS_CONFIDENCE,
+                HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
+                        USB_DEVICE_ID_PENMOUNT_PCI) },
+
         /* PixCir-based panels */
         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
                 HID_USB_DEVICE(USB_VENDOR_ID_HANVON,