Input: wacom - collect device quirks into single function

Collect device-specific code into a single function, and use quirks to
flag specific behavior instead.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

4 files changed, 24 insertions, 8 deletions

diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index 284dfaab6b8c..de5adb109030 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -118,6 +118,7 @@ struct wacom {
 extern const struct usb_device_id wacom_ids[];
 
 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
+void wacom_setup_device_quirks(struct wacom_features *features);
 void wacom_setup_input_capabilities(struct input_dev *input_dev,
                                     struct wacom_wac *wacom_wac);
 #endif
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 98cba08bb96e..fc6fd53c1af1 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -381,12 +381,6 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
         if (error)
                 goto out;
 
-        /* touch device found but size is not defined. use default */
-        if (features->device_type == BTN_TOOL_DOUBLETAP && !features->x_max) {
-                features->x_max = 1023;
-                features->y_max = 1023;
-        }
-
  out:
         return error;
 }
@@ -522,10 +516,11 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
         if (error)
                 goto fail2;
 
+        wacom_setup_device_quirks(features);
+
         strlcpy(wacom_wac->name, features->name, sizeof(wacom_wac->name));
 
-        if (features->type == TABLETPC || features->type == TABLETPC2FG ||
-            features->type == BAMBOO_PT) {
+        if (features->quirks & WACOM_QUIRK_MULTI_INPUT) {
                 /* Append the device type to the name */
                 strlcat(wacom_wac->name,
                         features->device_type == BTN_TOOL_PEN ?
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 6d7e1647715f..44b4a59750d8 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -941,6 +941,22 @@ static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
 }
 
+
+void wacom_setup_device_quirks(struct wacom_features *features)
+{
+
+        /* touch device found but size is not defined. use default */
+        if (features->device_type == BTN_TOOL_DOUBLETAP && !features->x_max) {
+                features->x_max = 1023;
+                features->y_max = 1023;
+        }
+
+        /* these device have multiple inputs */
+        if (features->type == TABLETPC || features->type == TABLETPC2FG ||
+            features->type == BAMBOO_PT)
+                features->quirks |= WACOM_QUIRK_MULTI_INPUT;
+}
+
 void wacom_setup_input_capabilities(struct input_dev *input_dev,
                                     struct wacom_wac *wacom_wac)
 {
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index fb30895d63e3..6a1ff10b095a 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -38,6 +38,9 @@
 #define WACOM_REPORT_TPC1FG             6
 #define WACOM_REPORT_TPC2FG             13
 
+/* device quirks */
+#define WACOM_QUIRK_MULTI_INPUT         0x0001
+
 enum {
         PENPARTNER = 0,
         GRAPHIRE,
@@ -79,6 +82,7 @@ struct wacom_features {
         int y_fuzz;
         int pressure_fuzz;
         int distance_fuzz;
+        unsigned quirks;
 };
 
 struct wacom_shared {