Add new USB_Host_SetInterfaceAltSetting() convenience function.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / Printer.c

diff --git a/LUFA/Drivers/USB/Class/Host/Printer.c b/LUFA/Drivers/USB/Class/Host/Printer.c
index 278df2e..290393a 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/Printer.c
+++ b/LUFA/Drivers/USB/Class/Host/Printer.c
@@ -181,19 +181,11 @@ uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInte
        {
                uint8_t ErrorCode;
 
-               USB_ControlRequest = (USB_Request_Header_t)
-                       {
-                               .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
-                               .bRequest      = REQ_SetInterface,
-                               .wValue        = PRNTInterfaceInfo->State.AlternateSetting,
-                               .wIndex        = PRNTInterfaceInfo->State.InterfaceNumber,
-                               .wLength       = 0,
-                       };
-
-               Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
-               if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
-                 return ErrorCode;
+               if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PRNTInterfaceInfo->State.InterfaceNumber,
+                                                                PRNTInterfaceInfo->State.AlternateSetting)) != HOST_SENDCONTROL_Successful)
+               {
+                       return ErrorCode;
+               }
        }
 
        return HOST_SENDCONTROL_Successful;