HID: ignore all non-LED usages in output fields in hid-input

[powerpc.git] / drivers / hid / hid-input.c

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index de8dbec..f80b571 100644 (file)
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -355,6 +355,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
        if (field->flags & HID_MAIN_ITEM_CONSTANT)
                goto ignore;
 
+       /* only LED usages are supported in output fields */
+       if (field->report_type == HID_OUTPUT_REPORT &&
+                       (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
+               dbg_hid_line(" [non-LED output field] ");
+               goto ignore;
+       }
+
        switch (usage->hid & HID_USAGE_PAGE) {
 
                case HID_UP_UNDEFINED: