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Commit 1009f9a3 authored by Peter Chen's avatar Peter Chen Committed by Felipe Balbi
Browse files

usb: chipidea: udc: add set_selfpowered gaget ops 



The gadget power property will be used at get_status request.

Signed-off-by: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 80b2502c

drivers/usb/chipidea/udc.c

+16 −2
Original line number Diff line number Diff line
@@ -819,8 +819,8 @@ __acquires(hwep->lock) 
	}



	if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) {

		/* Assume that device is bus powered for now. */

		*(u16 *)req->buf = ci->remote_wakeup << 1;

		*(u16 *)req->buf = (ci->remote_wakeup << 1) |

			ci->gadget.is_selfpowered;

	} else if ((setup->bRequestType & USB_RECIP_MASK) \

		   == USB_RECIP_ENDPOINT) {

		dir = (le16_to_cpu(setup->wIndex) & USB_ENDPOINT_DIR_MASK) ?
@@ -1520,6 +1520,19 @@ static int ci_udc_vbus_draw(struct usb_gadget *_gadget, unsigned ma) 
	return -ENOTSUPP;

}



static int ci_udc_selfpowered(struct usb_gadget *_gadget, int is_on)

{

	struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);

	struct ci_hw_ep *hwep = ci->ep0in;

	unsigned long flags;



	spin_lock_irqsave(hwep->lock, flags);

	_gadget->is_selfpowered = (is_on != 0);

	spin_unlock_irqrestore(hwep->lock, flags);



	return 0;

}



/* Change Data+ pullup status

 * this func is used by usb_gadget_connect/disconnet

 */
@@ -1549,6 +1562,7 @@ static int ci_udc_stop(struct usb_gadget *gadget); 
static const struct usb_gadget_ops usb_gadget_ops = {

	.vbus_session	= ci_udc_vbus_session,

	.wakeup		= ci_udc_wakeup,

	.set_selfpowered	= ci_udc_selfpowered,

	.pullup		= ci_udc_pullup,

	.vbus_draw	= ci_udc_vbus_draw,

	.udc_start	= ci_udc_start,