From: Ping Cheng <pinglinux@gmail.com>
To: linux-input@vger.kernel.org
Cc: dmitry.torokhov@gmail.com, Ping Cheng <pinglinux@gmail.com>,
Ping Cheng <pingc@wacom.com>
Subject: [PATCH 3/5] input: wacom - define hardcoded limit
Date: Fri, 12 Aug 2011 17:08:57 -0700 [thread overview]
Message-ID: <1313194137-5024-1-git-send-email-pinglinux@gmail.com> (raw)
>From 5 to WAC_MSG_RETRIES
Signed-off-by: Ping Cheng <pingc@wacom.com>
---
drivers/input/tablet/wacom_sys.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 36001eb..34edaae 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)
@@ -322,7 +323,7 @@ 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;
@@ -333,7 +334,7 @@ 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);
--
1.7.6
reply other threads:[~2011-08-13 0:07 UTC|newest]
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