linux-kernel - [PATCH] Input: Add "Share" button to Microsoft Xbox One controller.

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Message-Id: <20210225040032.684590-1-lzye@google.com>
Date:   Thu, 25 Feb 2021 04:00:32 +0000
From:   Chris Ye <lzye@...gle.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Chris Ye <linzhao.ye@...il.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, trivial@...nel.org,
        kernel-team@...roid.com, Chris Ye <lzye@...gle.com>
Subject: [PATCH] Input: Add "Share" button to Microsoft Xbox One controller.

Add "Share" button input capability and input event mapping for
Microsoft Xbox One controller.
Fixed Microsoft Xbox One controller share button not working under USB
connection.

Signed-off-by: Chris Ye <lzye@...gle.com>
---
 drivers/input/joystick/xpad.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 9f0d07dcbf06..08c3e93ccb2f 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -368,6 +368,14 @@ static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
 	-1
 };
 
+static const signed short xpad_xboxone_btn[] = {
+	/* buttons for xbox one controller */
+	BTN_TL, BTN_TR,		/* Button LB/RB */
+	BTN_MODE,		/* The big X button */
+	KEY_RECORD,		/* The share button */
+	-1
+};
+
 static const signed short xpad_abs[] = {
 	ABS_X, ABS_Y,		/* left stick */
 	ABS_RX, ABS_RY,		/* right stick */
@@ -862,6 +870,7 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
 	/* menu/view buttons */
 	input_report_key(dev, BTN_START,  data[4] & 0x04);
 	input_report_key(dev, BTN_SELECT, data[4] & 0x08);
+	input_report_key(dev, KEY_RECORD, data[22] & 0x01);
 
 	/* buttons A,B,X,Y */
 	input_report_key(dev, BTN_A,	data[4] & 0x10);
@@ -1668,10 +1677,13 @@ static int xpad_init_input(struct usb_xpad *xpad)
 		input_set_capability(input_dev, EV_KEY, xpad_common_btn[i]);
 
 	/* set up model-specific ones */
-	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
-	    xpad->xtype == XTYPE_XBOXONE) {
+	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
 		for (i = 0; xpad360_btn[i] >= 0; i++)
 			input_set_capability(input_dev, EV_KEY, xpad360_btn[i]);
+	}  else if (xpad->xtype == XTYPE_XBOXONE) {
+		for (i = 0; xpad_xboxone_btn[i] >= 0; i++)
+			input_set_capability(input_dev, EV_KEY,
+						xpad_xboxone_btn[i]);
 	} else {
 		for (i = 0; xpad_btn[i] >= 0; i++)
 			input_set_capability(input_dev, EV_KEY, xpad_btn[i]);
-- 
2.30.0.617.g56c4b15f3c-goog