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 f37da28030050f6831d13fb62b85a049777dd287..7e1f37db7582260231fa8bb6edf435335e4e128b 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;