- fix scan with moels sold with XPA

ChangeLog

@@ -1,3 +1,6 @@
+2008-06-09  Stéphane Voltz <stef.dev@free.fr>
+	* backend/rts8891.c: fix for model with 'XPA' sensor
+
 2008-06-06  Julien Blache <jb@jblache.org>
 	* backend/net.c: lock the Avahi thread before stopping it and
 	tearing down the Avahi objects.
@@ -39,7 +42,7 @@
 2008-05-26  Stéphane Voltz <stef.dev@free.fr>
 	* backend/sane_strstatus.c: added new status and internationalization
 	  support
-	* frontend/scanimage.c, tstbackend.c: added handling of status
+	* frontend/scanimage.c, frontend/tstbackend.c: added handling of status
 	  SANE_STATUS_WARMING_UP
 	* backend/pnm.c: added 2 more virtual devices, one that is hardware
 	locked, and another that always do warming before scan.

backend/rts8891.c

@@ -818,14 +818,7 @@ set_option_value (Rts8891_Session * s, int option, void *val,
       /* sanity checks */
       for (i = 0; i < (int) (s->opt[option].size / sizeof (SANE_Word)); i++)
 	{
-	  if (((SANE_Int *) val)[i] < 0 || ((SANE_Int *) val)[i] > 255)
-	    {
-	      DBG (2,
-		   "sane_control_option: gamma value (%d) at index %d out of range\n",
-		   ((SANE_Int *) val)[i], i);
-	      return SANE_STATUS_INVAL;
-	    }
-	  /* avoid aa values since they will be problematic */
+	  /* avoid 0xaa values since they will be problematic */
 	  if (((SANE_Int *) val)[i] == 0xaa)
 	    ((SANE_Int *) val)[i] = 0xab;
 	}
@@ -5626,7 +5619,14 @@ write_scan_registers (struct Rts8891_Session *session)
 			  dev->blue_gain);
 
   status1 = 0x20;
-  status2 = 0x3b;
+  if (dev->sensor == SENSOR_TYPE_XPA)
+    {
+      status2 = 0x3f;
+    }
+  else
+    {
+      status2 = 0x3b;
+    }
 
   /* default to 75 dpi color scan */
   dev->regs[0x0b] = 0x70;