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Input: xpad - restore LED state after device resume 

Set the LED_CORE_SUSPENDRESUME flag on our LED device so the
LED state will be automatically restored by LED core on resume.

Since Xbox One pads stop flashing only when reinitialized, we'll
send them the initialization packet so they calm down too.

Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Cameron Gutman 2017-02-06 17:03:03 -08:00 committed by Dmitry Torokhov
parent d5e6e0fa44
commit a1fbf5bbef
1 changed files with 10 additions and 1 deletions
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11
drivers/input/joystick/xpad.c
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@ -1211,6 +1211,7 @@ static int xpad_led_probe(struct usb_xpad *xpad)
led_cdev = &led->led_cdev;
led_cdev->name = led->name;
led_cdev->brightness_set = xpad_led_set;
led_cdev->flags = LED_CORE_SUSPENDRESUME;
error = led_classdev_register(&xpad->udev->dev, led_cdev);
if (error)
@ -1687,8 +1688,16 @@ static int xpad_resume(struct usb_interface *intf)
retval = xpad360w_start_input(xpad);
} else {
mutex_lock(&input->mutex);
if (input->users)
if (input->users) {
retval = xpad_start_input(xpad);
} else if (xpad->xtype == XTYPE_XBOXONE) {
/*
* Even if there are no users, we'll send Xbox One pads
* the startup sequence so they don't sit there and
* blink until somebody opens the input device again.
*/
retval = xpad_start_xbox_one(xpad);
}
mutex_unlock(&input->mutex);
}