The gadget power property will be used at get_status request.
Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
---
drivers/usb/chipidea/udc.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 540db0e..4254792 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -839,8 +839,8 @@ __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) ?
@@ -1543,6 +1543,19 @@ 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
*/
@@ -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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