[PATCH]HID: hid-multitouch: add support for Chunghwa multi-touch panel

[Austin Zhang <zhang.austin@gmail.com>]

Added Chunghwa hid multitouch panel support into hid-multitouch.

Signed-off-by: Austin Zhang <zhang.austin@gmail.com>
---
 Kconfig          |    1 +
 hid-core.c       |    1 +
 hid-ids.h        |    3 +++
 hid-multitouch.c |    5 +++++
 4 files changed, 10 insertions(+)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 67d2a75..36ca465 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -305,6 +305,7 @@ config HID_MULTITOUCH
          - 3M PCT touch screens
          - ActionStar dual touch panels
          - Cando dual touch panels
+         - Chunghwa panels
          - CVTouch panels
          - Cypress TrueTouch panels
          - Elo TouchSystems IntelliTouch Plus panels
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c957c4b..f7440e8 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1359,6 +1359,7 @@ static const struct hid_device_id
hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY,
USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY,
USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY,
USB_DEVICE_ID_CHICONY_WIRELESS) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS,
USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
USB_DEVICE_ID_CYPRESS_BARCODE_1) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0b374a6..82be975 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -173,6 +173,9 @@
 #define USB_DEVICE_ID_CHICONY_MULTI_TOUCH      0xb19d
 #define USB_DEVICE_ID_CHICONY_WIRELESS 0x0618

+#define USB_VENDOR_ID_CHUNGHWAT                0x2247
+#define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH     0x0001
+
 #define USB_VENDOR_ID_CIDC             0x1677

 #define USB_VENDOR_ID_CMEDIA           0x0d8c
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index ecd4d2d..8bc32a0 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -593,6 +593,11 @@ static const struct hid_device_id mt_devices[] = {
                HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
                        USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },

+       /* Chunghwa Telecom touch panels */
+       {  .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
+                       USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
+
        /* CVTouch panels */
        { .driver_data = MT_CLS_DEFAULT,
                HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,