summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorShimoda, Yoshihiro <yoshihiro.shimoda.uh@renesas.com>2012-04-11 13:51:28 +0400
committerFelipe Balbi <balbi@ti.com>2012-05-04 16:53:07 +0400
commit1ec9c8a299a4a45ab3e08ba594eec82c425d0918 (patch)
tree7ed99e360f2f0b2ce93228177c706e9af2f91599
parent00c16f9f916eef8999065f72567c7cf08582517c (diff)
downloadlinux-1ec9c8a299a4a45ab3e08ba594eec82c425d0918.tar.xz
usb: gadget: r8a66597-udc: add support for set_selfpowered
The previous code always set to USB_DEVICE_SELF_POWERED in GET_STATUS. So, this patch adds set_selfpowered(). Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c15
-rw-r--r--drivers/usb/gadget/r8a66597-udc.h1
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index b54152b962ff..f3ac2a20c27c 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1170,7 +1170,7 @@ __acquires(r8a66597->lock)
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
- status = 1 << USB_DEVICE_SELF_POWERED;
+ status = r8a66597->device_status;
break;
case USB_RECIP_INTERFACE:
status = 0;
@@ -1800,11 +1800,24 @@ static int r8a66597_pullup(struct usb_gadget *gadget, int is_on)
return 0;
}
+static int r8a66597_set_selfpowered(struct usb_gadget *gadget, int is_self)
+{
+ struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
+
+ if (is_self)
+ r8a66597->device_status |= 1 << USB_DEVICE_SELF_POWERED;
+ else
+ r8a66597->device_status &= ~(1 << USB_DEVICE_SELF_POWERED);
+
+ return 0;
+}
+
static struct usb_gadget_ops r8a66597_gadget_ops = {
.get_frame = r8a66597_get_frame,
.udc_start = r8a66597_start,
.udc_stop = r8a66597_stop,
.pullup = r8a66597_pullup,
+ .set_selfpowered = r8a66597_set_selfpowered,
};
static int __exit r8a66597_remove(struct platform_device *pdev)
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index 25eb13282739..99908c76ccd1 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -111,6 +111,7 @@ struct r8a66597 {
u16 old_vbus;
u16 scount;
u16 old_dvsq;
+ u16 device_status; /* for GET_STATUS */
/* pipe config */
unsigned char bulk;