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path: root/drivers/usb/gadget/composite.c
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Diffstat (limited to 'drivers/usb/gadget/composite.c')
-rw-r--r--drivers/usb/gadget/composite.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 7b5cc16e4a0b..f6ff8456d52d 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1047,9 +1047,9 @@ composite_unbind(struct usb_gadget *gadget)
kfree(cdev->req->buf);
usb_ep_free_request(gadget->ep0, cdev->req);
}
+ device_remove_file(&gadget->dev, &dev_attr_suspended);
kfree(cdev);
set_gadget_data(gadget, NULL);
- device_remove_file(&gadget->dev, &dev_attr_suspended);
composite = NULL;
}
@@ -1107,14 +1107,6 @@ static int composite_bind(struct usb_gadget *gadget)
*/
usb_ep_autoconfig_reset(cdev->gadget);
- /* standardized runtime overrides for device ID data */
- if (idVendor)
- cdev->desc.idVendor = cpu_to_le16(idVendor);
- if (idProduct)
- cdev->desc.idProduct = cpu_to_le16(idProduct);
- if (bcdDevice)
- cdev->desc.bcdDevice = cpu_to_le16(bcdDevice);
-
/* composite gadget needs to assign strings for whole device (like
* serial number), register function drivers, potentially update
* power state and consumption, etc
@@ -1126,7 +1118,15 @@ static int composite_bind(struct usb_gadget *gadget)
cdev->desc = *composite->dev;
cdev->desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
- /* stirng overrides */
+ /* standardized runtime overrides for device ID data */
+ if (idVendor)
+ cdev->desc.idVendor = cpu_to_le16(idVendor);
+ if (idProduct)
+ cdev->desc.idProduct = cpu_to_le16(idProduct);
+ if (bcdDevice)
+ cdev->desc.bcdDevice = cpu_to_le16(bcdDevice);
+
+ /* string overrides */
if (iManufacturer || !cdev->desc.iManufacturer) {
if (!iManufacturer && !composite->iManufacturer &&
!*composite_manufacturer)
@@ -1188,6 +1188,8 @@ composite_suspend(struct usb_gadget *gadget)
composite->suspend(cdev);
cdev->suspended = 1;
+
+ usb_gadget_vbus_draw(gadget, 2);
}
static void
@@ -1195,6 +1197,7 @@ composite_resume(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev = get_gadget_data(gadget);
struct usb_function *f;
+ u8 maxpower;
/* REVISIT: should we have config level
* suspend/resume callbacks?
@@ -1207,6 +1210,11 @@ composite_resume(struct usb_gadget *gadget)
if (f->resume)
f->resume(f);
}
+
+ maxpower = cdev->config->bMaxPower;
+
+ usb_gadget_vbus_draw(gadget, maxpower ?
+ (2 * maxpower) : CONFIG_USB_GADGET_VBUS_DRAW);
}
cdev->suspended = 0;