Input: wacom - fix serial number handling on Cintiq 21UX2

Cintiq 21UX2 added 8 more bits for the tool serial number and more
buttons for the expresskey. We did not enable them properly in the
last patch.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index d564af58175cbf9136040745205b5716714b5604..415f6306105dba7ae722e3c5ce5706fb09109949 100644 (file)
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -284,12 +284,13 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
                        (data[4] << 20) + (data[5] << 12) +
                        (data[6] << 4) + (data[7] >> 4);
 
-               wacom->id[idx] = (data[2] << 4) | (data[3] >> 4);
+               wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
+                       ((data[7] & 0x0f) << 20) | ((data[8] & 0xf0) << 12);
 
-               switch (wacom->id[idx]) {
+               switch (wacom->id[idx] & 0xfffff) {
                case 0x812: /* Inking pen */
                case 0x801: /* Intuos3 Inking pen */
-               case 0x20802: /* Intuos4 Classic Pen */
+               case 0x20802: /* Intuos4 Inking Pen */
                case 0x012:
                        wacom->tool[idx] = BTN_TOOL_PENCIL;
                        break;
@@ -513,7 +514,7 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
                        input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
                        input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
 
-                       if ((data[5] & 0x1f) | (data[6] & 0x1f) | (data[1] & 0x1f) |
+                       if ((data[5] & 0x1f) | data[6] | (data[1] & 0x1f) |
                                data[2] | (data[3] & 0x1f) | data[4] | data[8] |
                                (data[7] & 0x01)) {
                                input_report_key(input, wacom->tool[1], 1);