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usb: chipidea: udc: add set_selfpowered gaget ops

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The gadget power property will be used at get_status request.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Peter Chen 2015-01-28 16:32:25 +08:00 committed by Felipe Balbi
parent 80b2502cea
commit 1009f9a36d
1 changed files with 16 additions and 2 deletions
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18
drivers/usb/chipidea/udc.c
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@ -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,