The gadget power property will be used at get_status request.
Signed-off-by: Peter Chen <[email protected]>
---
drivers/usb/chipidea/udc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 540db0e..45914ba 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -841,6 +841,7 @@ __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->gadget.is_selfpowered << 1;
} else if ((setup->bRequestType & USB_RECIP_MASK) \
== USB_RECIP_ENDPOINT) {
dir = (le16_to_cpu(setup->wIndex) & USB_ENDPOINT_DIR_MASK) ?
@@ -1543,6 +1544,18 @@ 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;
+
+ spin_lock(hwep->lock);
+ _gadget->is_selfpowered = (is_on != 0);
+ spin_unlock(hwep->lock);
+
+ return 0;
+}
+
/* Change Data+ pullup status
* this func is used by usb_gadget_connect/disconnet
*/
@@ -1572,6 +1585,7 @@ 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,
--
1.9.1
--
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