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Subject[PATCH 3.18 54/83] Input: xpad - move reporting xbox one home button to common function
Date
3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 4f88476c75429ba9ab71c428b4cd2f67575bc9c1 ]

xbox one was the only device that has a *_process_buttons routine.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/input/joystick/xpad.c | 52 +++++++++++++----------------------
1 file changed, 19 insertions(+), 33 deletions(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 8b7fc47f7ffb..b06f4b0785f7 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -610,14 +610,28 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha
}

/*
- * xpadone_process_buttons
+ * xpadone_process_packet
*
- * Process a button update packet from an Xbox one controller.
+ * Completes a request by converting the data into events for the
+ * input subsystem. This version is for the Xbox One controller.
+ *
+ * The report format was gleaned from
+ * https://github.com/kylelemons/xbox/blob/master/xbox.go
*/
-static void xpadone_process_buttons(struct usb_xpad *xpad,
- struct input_dev *dev,
- unsigned char *data)
+static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
+ struct input_dev *dev = xpad->dev;
+
+ /* the xbox button has its own special report */
+ if (data[0] == 0X07) {
+ input_report_key(dev, BTN_MODE, data[4] & 0x01);
+ input_sync(dev);
+ return;
+ }
+ /* check invalid packet */
+ else if (data[0] != 0X20)
+ return;
+
/* menu/view buttons */
input_report_key(dev, BTN_START, data[4] & 0x04);
input_report_key(dev, BTN_SELECT, data[4] & 0x08);
@@ -680,34 +694,6 @@ static void xpadone_process_buttons(struct usb_xpad *xpad,
input_sync(dev);
}

-/*
- * xpadone_process_packet
- *
- * Completes a request by converting the data into events for the
- * input subsystem. This version is for the Xbox One controller.
- *
- * The report format was gleaned from
- * https://github.com/kylelemons/xbox/blob/master/xbox.go
- */
-
-static void xpadone_process_packet(struct usb_xpad *xpad,
- u16 cmd, unsigned char *data)
-{
- struct input_dev *dev = xpad->dev;
-
- switch (data[0]) {
- case 0x20:
- xpadone_process_buttons(xpad, dev, data);
- break;
-
- case 0x07:
- /* the xbox button has its own special report */
- input_report_key(dev, BTN_MODE, data[4] & 0x01);
- input_sync(dev);
- break;
- }
-}
-
static void xpad_irq_in(struct urb *urb)
{
struct usb_xpad *xpad = urb->context;
--
2.17.1


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