Changeset eb2f7dd in mainline for uspace/lib/usb/src/hub.c

Timestamp:

2011-05-08T13:37:51Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

df25ab6

Parents:

84de606d

Message:

Add getting handle by address over USBHC iface

File:

• uspace/lib/usb/src/hub.c (modified) (1 diff)

uspace/lib/usb/src/hub.c

@@ -117 +117 @@
             DEV_IFACE_ID(USBHC_DEV_IFACE),
             IPC_M_USBHC_RELEASE_ADDRESS, address);
+}
+
+/** Get handle of USB device with given address.
+ *
+ * @param[in] connection Opened connection to host controller.
+ * @param[in] address Address of device in question.
+ * @param[out] handle Where to write the device handle.
+ * @return Error code.
+ */
+int usb_hc_get_handle_by_address(usb_hc_connection_t *connection,
+    usb_address_t address, devman_handle_t *handle)
+{
+        CHECK_CONNECTION(connection);
+
+        sysarg_t tmp;
+        int rc = async_req_2_1(connection->hc_phone,
+            DEV_IFACE_ID(USBHC_DEV_IFACE),
+            IPC_M_USBHC_GET_HANDLE_BY_ADDRESS,
+            address, &tmp);
+        if ((rc == EOK) && (handle != NULL)) {
+                *handle = tmp;
+        }
+
+        return rc;
 }