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-rw-r--r--drivers/hid/hid-core.c6
-rw-r--r--drivers/hid/hid-input.c11
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 956f84968fa4..f869ab35e6d6 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1212,6 +1212,12 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
connect_mask & HID_CONNECT_HIDINPUT_FORCE))
hdev->claimed |= HID_CLAIMED_INPUT;
+ if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
+ /* this device should be handled by hid-multitouch, skip it */
+ hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
+ return -ENODEV;
+ }
+
if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
!hdev->hiddev_connect(hdev,
connect_mask & HID_CONNECT_HIDDEV_FORCE))
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 6559e2e3364e..f333139d1a48 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -474,6 +474,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
map_key_clear(BTN_STYLUS2);
break;
+ case 0x51: /* ContactID */
+ device->quirks |= HID_QUIRK_MULTITOUCH;
+ goto unknown;
+
default: goto unknown;
}
break;
@@ -978,6 +982,13 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
}
}
+ if (hid->quirks & HID_QUIRK_MULTITOUCH) {
+ /* generic hid does not know how to handle multitouch devices */
+ if (hidinput)
+ goto out_cleanup;
+ goto out_unwind;
+ }
+
if (hidinput && input_register_device(hidinput->input))
goto out_cleanup;