hid: usbhid: enable hid to wakeup system if it supports remote wakeup

Refer to E.2 (P67) of Device Class Definition for Human Interface
Devices V1.11, the bmAttributes field of the standard configuration
descriptor bit 5 should be set if the HID support Remote Wakeup.

This patch enable the usb HID to wake up the system if the HID
supports remote wakeup.

Change-Id: I169c49ff6187b6400b91633332a72964caca1a94
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 0df32fe0e3459a0db81661a9241bdd3f12d801d2..5c204a693f0e539daa7ebba0479bc666acd58a42 100644 (file)
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1151,6 +1151,10 @@ static int usbhid_start(struct hid_device *hid)
                usbhid_set_leds(hid);
                device_set_wakeup_enable(&dev->dev, 1);
        }
+
+       if (dev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP)
+               device_set_wakeup_enable(&dev->dev, 1);
+
        return 0;
 
 fail: