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

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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>
This commit is contained in:
Frank Wang
2016-09-18 16:26:07 +08:00
committed by Tao Huang
parent 8a060a5c13
commit b8c4606c8e
1 changed files with 3 additions and 0 deletions
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3
drivers/hid/usbhid/hid-core.c
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@@ -1191,6 +1191,9 @@ static int usbhid_start(struct hid_device *hid)
device_set_wakeup_enable(&dev->dev, 1);
}
if (dev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP)
device_set_wakeup_enable(&dev->dev, 1);
mutex_unlock(&usbhid->mutex);
return 0;