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From foo@baz Fri Jan 24 09:30:08 PST 2014
Date: Fri, 24 Jan 2014 09:30:08 -0800
To: Greg KH <gregkh@linuxfoundation.org>
From: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com>
Subject: [PATCH] Input: xpad: set the LEDs properly on XBox Wireless controllers
From: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com>
Add the logic to set the LEDs on XBox Wireless controllers. Command
sequence found by sniffing the Windows data stream when plugging the
device in.
Signed-off-by: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/input/joystick/xpad.c | 32 +++++++++++++++++++++++++++-----
1 file changed, 27 insertions(+), 5 deletions(-)
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -715,15 +715,37 @@ struct xpad_led {
static void xpad_send_led_command(struct usb_xpad *xpad, int command)
{
- if (command >= 0 && command < 14) {
- mutex_lock(&xpad->odata_mutex);
+ if (command > 15)
+ return;
+
+ mutex_lock(&xpad->odata_mutex);
+
+ switch (xpad->xtype) {
+ case XTYPE_XBOX360:
xpad->odata[0] = 0x01;
xpad->odata[1] = 0x03;
xpad->odata[2] = command;
xpad->irq_out->transfer_buffer_length = 3;
- usb_submit_urb(xpad->irq_out, GFP_KERNEL);
- mutex_unlock(&xpad->odata_mutex);
+ break;
+ case XTYPE_XBOX360W:
+ xpad->odata[0] = 0x00;
+ xpad->odata[1] = 0x00;
+ xpad->odata[2] = 0x08;
+ xpad->odata[3] = 0x40 + (command % 0x0e);
+ xpad->odata[4] = 0x00;
+ xpad->odata[5] = 0x00;
+ xpad->odata[6] = 0x00;
+ xpad->odata[7] = 0x00;
+ xpad->odata[8] = 0x00;
+ xpad->odata[9] = 0x00;
+ xpad->odata[10] = 0x00;
+ xpad->odata[11] = 0x00;
+ xpad->irq_out->transfer_buffer_length = 12;
+ break;
}
+
+ usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+ mutex_unlock(&xpad->odata_mutex);
}
static void xpad_led_set(struct led_classdev *led_cdev,
@@ -743,7 +765,7 @@ static int xpad_led_probe(struct usb_xpa
struct led_classdev *led_cdev;
int error;
- if (xpad->xtype != XTYPE_XBOX360)
+ if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX360W)
return 0;
xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL);
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