HID: Allow more fields in the hid report

Some recent hardware define more than 128 fields in the report
descriptor. Increase the limit to 256. This adds another kilobyte of
memory per report.

Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

diff --git a/include/linux/hid.h b/include/linux/hid.h
index f37da28..7e1f37d 100644 (file)
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -414,7 +414,7 @@ struct hid_field {
        __u16 dpad;                     /* dpad input code */
 };
 
-#define HID_MAX_FIELDS 128
+#define HID_MAX_FIELDS 256
 
 struct hid_report {
        struct list_head list;