diff options
Diffstat (limited to 'drivers/input/joystick/xpad.c')
| -rw-r--r-- | drivers/input/joystick/xpad.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index dd0503562b1c..14da79ead653 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -391,6 +391,7 @@ struct usb_xpad { static int xpad_init_input(struct usb_xpad *xpad); static void xpad_deinit_input(struct usb_xpad *xpad); +static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num); /* * xpad_process_packet @@ -624,6 +625,14 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char /* the xbox button has its own special report */ if (data[0] == 0X07) { + /* + * The Xbox One S controller requires these reports to be + * acked otherwise it continues sending them forever and + * won't report further mode button events. + */ + if (data[1] == 0x30) + xpadone_ack_mode_report(xpad, data[2]); + input_report_key(dev, BTN_MODE, data[4] & 0x01); input_sync(dev); return; @@ -956,6 +965,30 @@ static int xpad_start_xbox_one(struct usb_xpad *xpad) return retval; } +static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num) +{ + unsigned long flags; + struct xpad_output_packet *packet = + &xpad->out_packets[XPAD_OUT_CMD_IDX]; + static const u8 mode_report_ack[] = { + 0x01, 0x20, 0x00, 0x09, 0x00, 0x07, 0x20, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00 + }; + + spin_lock_irqsave(&xpad->odata_lock, flags); + + packet->len = sizeof(mode_report_ack); + memcpy(packet->data, mode_report_ack, packet->len); + packet->data[2] = seq_num; + packet->pending = true; + + /* Reset the sequence so we send out the ack now */ + xpad->last_out_packet = -1; + xpad_try_sending_next_out_packet(xpad); + + spin_unlock_irqrestore(&xpad->odata_lock, flags); +} + #ifdef CONFIG_JOYSTICK_XPAD_FF static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) { |