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[Qemu-devel] [PATCH 3/5] usb: Allow overriding of usb_desc at the device
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 3/5] usb: Allow overriding of usb_desc at the device level |
Date: |
Sat, 17 Nov 2012 12:47:16 +0100 |
This allows devices to present a different set of descriptors based on
device properties.
Signed-off-by: Hans de Goede <address@hidden>
---
hw/usb.h | 1 +
hw/usb/bus.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/hw/usb.h b/hw/usb.h
index 58f812f..268e653 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -230,6 +230,7 @@ struct USBDevice {
USBEndpoint ep_out[USB_MAX_ENDPOINTS];
QLIST_HEAD(, USBDescString) strings;
+ const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */
const USBDescDevice *device;
int configuration;
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index 99aac7a..fe26998 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -166,6 +166,9 @@ const char *usb_device_get_product_desc(USBDevice *dev)
const USBDesc *usb_device_get_usb_desc(USBDevice *dev)
{
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
+ if (dev->usb_desc) {
+ return dev->usb_desc;
+ }
return klass->usb_desc;
}
--
1.8.0