Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: hid-multitouch: add support for a new Lumio dual-touch panel
  HID: hid-multitouch: correct VID for Stantum panels
  HID: hid-multitouch: ensure slots are initialized

3 files changed, 9 insertions, 5 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index f7440e8ce3e7..6f3289a57888 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1423,6 +1423,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index aecb5a4b8d6d..a756ee6c7df5 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -449,6 +449,7 @@
 
 #define USB_VENDOR_ID_LUMIO             0x202e
 #define USB_DEVICE_ID_CRYSTALTOUCH      0x0006
+#define USB_DEVICE_ID_CRYSTALTOUCH_DUAL 0x0007
 
 #define USB_VENDOR_ID_MCC               0x09db
 #define USB_DEVICE_ID_MCC_PMD1024LS     0x0076
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 0b2dcd0ee591..62cac4dc3b62 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -271,6 +271,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                         }
                         return 1;
                 case HID_DG_CONTACTID:
+                        if (!td->maxcontacts)
+                                td->maxcontacts = MT_DEFAULT_MAXCONTACT;
                         input_mt_init_slots(hi->input, td->maxcontacts);
                         td->last_slot_field = usage->hid;
                         td->last_field_index = field->index;
@@ -547,9 +549,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
         if (ret)
                 goto fail;
 
-        if (!td->maxcontacts)
-                td->maxcontacts = MT_DEFAULT_MAXCONTACT;
-
         td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
                                 GFP_KERNEL);
         if (!td->slots) {
@@ -677,6 +676,9 @@ static const struct hid_device_id mt_devices[] = {
         { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
                 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
                         USB_DEVICE_ID_CRYSTALTOUCH) },
+        { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
+                HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
+                        USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
 
         /* MosArt panels */
         { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
@@ -707,10 +709,10 @@ static const struct hid_device_id mt_devices[] = {
                 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
                         USB_DEVICE_ID_MTP)},
         { .driver_data = MT_CLS_CONFIDENCE,
-                HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
+                HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
                         USB_DEVICE_ID_MTP_STM)},
         { .driver_data = MT_CLS_CONFIDENCE,
-                HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
+                HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
                         USB_DEVICE_ID_MTP_SITRONIX)},
 
         /* Touch International panels */