[PATCH 3/3] Input: xpad - Poweroff XBOX360W on mode button long press

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From: Pavel Rojtberg <rojtberg@xxxxxxxxx>

Newer gamepads turn themselves off when the mode button is held down.
For XBOX360W gamepads we must do this this in the driver.

Signed-off-by: lawl <github@xxxxxxxxxxxxx>
Signed-off-by: Pavel Rojtberg <rojtberg@xxxxxxxxx>
---
 drivers/input/joystick/xpad.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 7640cbb..a9894a6 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -620,11 +620,13 @@ struct usb_xpad {
 	int pad_nr;			/* the order x360 pads were attached */
 	const char *name;		/* name of the device */
 	struct work_struct work;	/* init/remove device from callback */
+	time64_t mode_btn_down_ts;
 };
 
 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);
+static void xpad360w_poweroff_controller(struct usb_xpad *xpad);
 
 /*
  *	xpad_process_packet
@@ -776,6 +778,23 @@ static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev *dev,
 	}
 
 	input_sync(dev);
+
+	/* XBOX360W controllers can't be turned off without driver assistance */
+	if (xpad->xtype == XTYPE_XBOX360W) {
+		if (xpad->mode_btn_down_ts > 0
+		&& xpad->pad_present
+		&& (ktime_get_seconds() - xpad->mode_btn_down_ts) >= 5) {
+			xpad360w_poweroff_controller(xpad);
+			xpad->mode_btn_down_ts = 0;
+			return;
+		}
+
+		/* mode button down/up */
+		if (data[3] & 0x04)
+			xpad->mode_btn_down_ts = ktime_get_seconds();
+		else
+			xpad->mode_btn_down_ts = 0;
+	}
 }
 
 static void xpad_presence_work(struct work_struct *work)
-- 
2.25.1




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