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authorPing Cheng <pinglinux@gmail.com>2011-08-16 00:17:56 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-08-16 00:21:48 -0700
commita417ea4432db7fd1c91c19b129a3e3d2367b7ce4 (patch)
tree26f33a61dec93100ff9313a15ae69e817ea25faa /drivers/input
parent18adad1c57f820d38d05e3d5e3d548e286233b76 (diff)
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>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/tablet/wacom_sys.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 449c0a46dba..9879c73ee51 100644
--- 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);