Added first stab at probe routine

SCCS-vsn: sys/vax/uba/lp.c 4.11

diff --git a/usr/src/sys/vax/uba/lp.c b/usr/src/sys/vax/uba/lp.c
index fd8fb25..e35216e 100644 (file)
--- a/usr/src/sys/vax/uba/lp.c
+++ b/usr/src/sys/vax/uba/lp.c
@@ -1,4 +1,4 @@
-/*     lp.c    4.10    81/03/07        */
+/*     lp.c    4.11    81/03/07        */

 
 #include "lp.h"
 #if NLP > 0
 
 #include "lp.h"
 #if NLP > 0


@@ -325,3 +325,17 @@ struct uba_device *ui;
        sc = &lp_softc[ui->ui_unit];
        sc->sc_lpchar = -1;
 }
        sc = &lp_softc[ui->ui_unit];
        sc->sc_lpchar = -1;
 }

+
+lpprobe(reg)
+caddr_t reg;
+{
+       register struct lpdevice *lpaddr;
+       register int delay = 10000;
+
+       lpaddr = (struct lpdevice *) reg;
+       lpaddr->lpsr |= IENABLE;
+       lpaddr->lpbuf = ' ';
+       while(delay--)
+               continue;
+       lpaddr->lpsr &= ~IENABLE;
+}