summaryrefslogtreecommitdiffstats
path: root/usr.sbin/bluetooth/bthidd/hid.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/bluetooth/bthidd/hid.c')
-rw-r--r--usr.sbin/bluetooth/bthidd/hid.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/usr.sbin/bluetooth/bthidd/hid.c b/usr.sbin/bluetooth/bthidd/hid.c
index c68865b..5eb7592 100644
--- a/usr.sbin/bluetooth/bthidd/hid.c
+++ b/usr.sbin/bluetooth/bthidd/hid.c
@@ -165,9 +165,21 @@ hid_interrupt(bthid_session_p s, uint8_t *data, int32_t len)
continue;
page = HID_PAGE(h.usage);
- usage = HID_USAGE(h.usage);
val = hid_get_data(data, &h);
+ /*
+ * When the input field is an array and the usage is specified
+ * with a range instead of an ID, we have to derive the actual
+ * usage by using the item value as an index in the usage range
+ * list.
+ */
+ if ((h.flags & HIO_VARIABLE)) {
+ usage = HID_USAGE(h.usage);
+ } else {
+ const uint32_t usage_offset = val - h.logical_minimum;
+ usage = HID_USAGE(h.usage_minimum + usage_offset);
+ }
+
switch (page) {
case HUP_GENERIC_DESKTOP:
switch (usage) {
OpenPOWER on IntegriCloud