Input: wacom - add WAC_MSG_RETRIES define

Use WAC_MSG_RETRIES define instead of a numeric constant.

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

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 449c0a46dbac51ba881ba49b8cfff1c3861dfee7..9879c73ee517f2a4d3aec3f9c9bb1ce2b1fb5cb5 100644 (file)
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -49,6 +49,7 @@ struct hid_descriptor {
 #define USB_REQ_GET_REPORT     0x01
 #define USB_REQ_SET_REPORT     0x09
 #define WAC_HID_FEATURE_REPORT 0x03
+#define WAC_MSG_RETRIES                5
 
 static int usb_get_report(struct usb_interface *intf, unsigned char type,
                                unsigned char id, void *buf, int size)
@@ -165,7 +166,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
                        report,
                        hid_desc->wDescriptorLength,
                        5000); /* 5 secs */
-       } while (result < 0 && limit++ < 5);
+       } while (result < 0 && limit++ < WAC_MSG_RETRIES);
 
        /* No need to parse the Descriptor. It isn't an error though */
        if (result < 0)
@@ -336,7 +337,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
                                error = usb_get_report(intf,
                                        WAC_HID_FEATURE_REPORT, report_id,
                                        rep_data, 3);
-               } while ((error < 0 || rep_data[1] != 4) && limit++ < 5);
+               } while ((error < 0 || rep_data[1] != 4) && limit++ < WAC_MSG_RETRIES);
        } else if (features->type != TABLETPC) {
                do {
                        rep_data[0] = 2;
@@ -347,7 +348,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
                                error = usb_get_report(intf,
                                        WAC_HID_FEATURE_REPORT, report_id,
                                        rep_data, 2);
-               } while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
+               } while ((error < 0 || rep_data[1] != 2) && limit++ < WAC_MSG_RETRIES);
        }
 
        kfree(rep_data);