Add a flag to indicate whether the gadget is capable of sending remote wakeup to the host. Signed-off-by: Elson Roy Serrao <quic_eserrao@xxxxxxxxxxx> --- drivers/usb/gadget/composite.c | 3 +++ include/linux/usb/gadget.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 403563c..b83963a 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -965,6 +965,9 @@ static int set_config(struct usb_composite_dev *cdev, else usb_gadget_clear_selfpowered(gadget); + if (USB_CONFIG_ATT_WAKEUP & c->bmAttributes) + gadget->rw_capable = 1; + usb_gadget_vbus_draw(gadget, power); if (result >= 0 && cdev->delayed_status) result = USB_GADGET_DELAYED_STATUS; diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index dc3092c..15785f8 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -385,6 +385,7 @@ struct usb_gadget_ops { * indicates that it supports LPM as per the LPM ECN & errata. * @irq: the interrupt number for device controller. * @id_number: a unique ID number for ensuring that gadget names are distinct + * @rw_capable: True if the gadget is capable of sending remote wakeup. * * Gadgets have a mostly-portable "gadget driver" implementing device * functions, handling all usb configurations and interfaces. Gadget @@ -446,6 +447,7 @@ struct usb_gadget { unsigned lpm_capable:1; int irq; int id_number; + unsigned rw_capable:1; }; #define work_to_gadget(w) (container_of((w), struct usb_gadget, work)) -- 2.7.4