IO_pp_outp: Allow to switch direction of the printer port.

f31a3204 · Uwe Bonnes · Alexandre Julliard · 820aa376 · f31a3204
Commit f31a3204 authored Feb 24, 2004 by Uwe Bonnes Committed by Alexandre Julliard Feb 24, 2004
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ppdev.c dlls/winedos/ppdev.c +10 -1

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--- a/dlls/winedos/ppdev.c
+++ b/dlls/winedos/ppdev.c
@@ -300,7 +300,16 @@ BOOL IO_pp_outp(int port, DWORD* res)
         case 0:
           return IO_pp_do_access(idx,PPWDATA,res);
         case 2:
-           return IO_pp_do_access(idx,PPWCONTROL,res);
+	   { 
+	     /* We can't switch port direction via PPWCONTROL,
+		so do it via PPDATADIR
+	     */
+	     DWORD mode = *res & 0x20;
+	     IO_pp_do_access(idx,PPDATADIR,&mode);
+	     mode = (*res & ~0x20);
+	     return IO_pp_do_access(idx,PPWCONTROL,&mode);
+	   }
+
         case 1:
         case 0x400:
         case 0x402: