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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/input/joystick/xpad.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/input/joystick/xpad.c')
-rw-r--r--drivers/input/joystick/xpad.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index a529a4535..83af17ad0 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -115,6 +115,10 @@ static bool sticks_to_null;
module_param(sticks_to_null, bool, S_IRUGO);
MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");
+static bool auto_poweroff = true;
+module_param(auto_poweroff, bool, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(auto_poweroff, "Power off wireless controllers on suspend");
+
static const struct xpad_device {
u16 idVendor;
u16 idProduct;
@@ -1248,6 +1252,36 @@ static void xpad_stop_input(struct usb_xpad *xpad)
usb_kill_urb(xpad->irq_in);
}
+static void xpad360w_poweroff_controller(struct usb_xpad *xpad)
+{
+ unsigned long flags;
+ struct xpad_output_packet *packet =
+ &xpad->out_packets[XPAD_OUT_CMD_IDX];
+
+ spin_lock_irqsave(&xpad->odata_lock, flags);
+
+ packet->data[0] = 0x00;
+ packet->data[1] = 0x00;
+ packet->data[2] = 0x08;
+ packet->data[3] = 0xC0;
+ packet->data[4] = 0x00;
+ packet->data[5] = 0x00;
+ packet->data[6] = 0x00;
+ packet->data[7] = 0x00;
+ packet->data[8] = 0x00;
+ packet->data[9] = 0x00;
+ packet->data[10] = 0x00;
+ packet->data[11] = 0x00;
+ packet->len = 12;
+ packet->pending = true;
+
+ /* Reset the sequence so we send out poweroff now */
+ xpad->last_out_packet = -1;
+ xpad_try_sending_next_out_packet(xpad);
+
+ spin_unlock_irqrestore(&xpad->odata_lock, flags);
+}
+
static int xpad360w_start_input(struct usb_xpad *xpad)
{
int error;
@@ -1590,6 +1624,15 @@ static int xpad_suspend(struct usb_interface *intf, pm_message_t message)
* or goes away.
*/
xpad360w_stop_input(xpad);
+
+ /*
+ * The wireless adapter is going off now, so the
+ * gamepads are going to become disconnected.
+ * Unless explicitly disabled, power them down
+ * so they don't just sit there flashing.
+ */
+ if (auto_poweroff && xpad->pad_present)
+ xpad360w_poweroff_controller(xpad);
} else {
mutex_lock(&input->mutex);
if (input->users)