diff options
| -rw-r--r-- | drivers/hid/hid-sony.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 69586b316409..ed0496abf573 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -1277,6 +1277,17 @@ static int sony_raw_event(struct hid_device *hdev, struct hid_report *report, * has to be BYTE_SWAPPED before passing up to joystick interface */ if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) { + /* + * When connected via Bluetooth the Sixaxis occasionally sends + * a report with the second byte 0xff and the rest zeroed. + * + * This report does not reflect the actual state of the + * controller must be ignored to avoid generating false input + * events. + */ + if (rd[1] == 0xff) + return -EINVAL; + swap(rd[41], rd[42]); swap(rd[43], rd[44]); swap(rd[45], rd[46]); |