Re: [PATCH] Input: HID-multitouch: Add egalax ID for Acer Iconia W500

This patch adds USB ID for the touchpanel in Acer Iconia W500. The panel
supports up to five fingers, therefore the need for a new addition of panel
types.

Signed-off-by: Marek Vasut <redacted>
Cc: Benjamin Tissoires <redacted>
Cc: chris@cnpbagwell.com
---
 drivers/hid/hid-core.c       |    1 +
 drivers/hid/hid-ids.h        |    1 +
 drivers/hid/hid-multitouch.c |   12 ++++++++++++
 3 files changed, 14 insertions(+), 0 deletions(-)

NOTE: That checkpatch warning is there because I followed the pattern in
hid-core.c

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 242353d..6600ac7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c

@@ -1377,6 +1377,7 @@ static const struct hid_device_id hid_have_special_driver[] = {

       { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) },
       { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) },
       { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH5) },

       { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
       { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
       { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 7484e1b..c2e9369 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h

@@ -225,6 +225,7 @@

 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2  0x72a1
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3  0x480e
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4  0x726b
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH5  0x7302

 #define USB_VENDOR_ID_ELECOM           0x056e
 #define USB_DEVICE_ID_ELECOM_BM084     0x0061

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 58d0e7a..35c53db 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c

@@ -96,6 +96,7 @@ struct mt_class {

 #define MT_CLS_3M                              0x0101
 #define MT_CLS_CYPRESS                         0x0102
 #define MT_CLS_EGALAX                          0x0103
+#define MT_CLS_EGALAX_5FINGER                  0x0104

 #define MT_DEFAULT_MAXCONTACT  10

@@ -173,6 +174,13 @@ struct mt_class mt_classes[] = {

               .sn_move = 4096,
               .sn_pressure = 32,
       },
+       { .name = MT_CLS_EGALAX_5FINGER,
+               .quirks =  MT_QUIRK_SLOT_IS_CONTACTID |
+                       MT_QUIRK_VALID_IS_INRANGE |
+                       MT_QUIRK_EGALAX_XYZ_FIXUP,
+               .sn_move = 4096,
+               .sn_pressure = 32,
+       },

       { }
 };

@@ -646,6 +655,9 @@ static const struct hid_device_id mt_devices[] = {

       {  .driver_data = MT_CLS_EGALAX,
               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) },
+       {  .driver_data = MT_CLS_EGALAX_5FINGER,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH5) },

       /* Elo TouchSystems IntelliTouch Plus panel */
       { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
--
1.7.5.4