1 files changed, 29 insertions, 10 deletions

diff --git a/backend/genesys_gl124.c b/backend/genesys_gl124.c
index 86aa4ee..eaac873 100644
--- a/backend/genesys_gl124.c
+++ b/backend/genesys_gl124.c
@@ -852,7 +852,7 @@ gl124_init_motor_regs_scan (Genesys_Device * dev,
     }
   else
     {
-      min_speed = 600;
+      min_speed = 900;
       if(dev->model->ccd_type==MOTOR_CANONLIDE110)
         {
           min_speed = 300;
@@ -2108,6 +2108,17 @@ gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
       return SANE_STATUS_GOOD;
     }
 
+  /* feed a little first */
+  if (strcmp (dev->model->name, "canon-lide-210") == 0)
+    {
+      status = gl124_feed (dev, 20, SANE_TRUE);
+      if (status != SANE_STATUS_GOOD)
+        {
+          DBG (DBG_error, "%s: failed to do initial feed: %s\n", __FUNCTION__, sane_strstatus (status));
+          return status;
+        }
+    }
+
   memcpy (local_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
   resolution=sanei_genesys_get_lowest_dpi(dev);
 
@@ -2202,12 +2213,13 @@ gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
 /** @brief moves the slider to steps at motor base dpi
  * @param dev device to work on
  * @param steps number of steps to move
+ * @param reverse true is moving backward
  * */
 #ifndef UNIT_TESTING
 static
 #endif
 SANE_Status
-gl124_feed (Genesys_Device * dev, unsigned int steps)
+gl124_feed (Genesys_Device * dev, unsigned int steps, int reverse)
 {
   Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
   SANE_Status status;
@@ -2242,9 +2254,7 @@ gl124_feed (Genesys_Device * dev, unsigned int steps)
                                  SCAN_FLAG_IGNORE_LINE_DISTANCE);
   if (status != SANE_STATUS_GOOD)
     {
-      DBG (DBG_error,
-           "gl124_feed: failed to set up registers: %s\n",
-           sane_strstatus (status));
+      DBG (DBG_error, "%s: failed to set up registers: %s\n", __FUNCTION__, sane_strstatus (status));
       DBGCOMPLETED;
       return status;
     }
@@ -2262,6 +2272,13 @@ gl124_feed (Genesys_Device * dev, unsigned int steps)
   r = sanei_genesys_get_address (local_reg, REG01);
   r->value &= ~REG01_SCAN;
 
+  /* set up for reverse if needed */
+  if(reverse) 
+    {
+      r = sanei_genesys_get_address (local_reg, REG02);
+      r->value |= REG02_MTRREV;
+    }
+
   /* send registers */
   RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL124_MAX_REGS));
 
@@ -2653,7 +2670,7 @@ gl124_init_regs_for_scan (Genesys_Device * dev)
 
   if(channels*dev->settings.yres>=600 && move>700)
     {
-      status = gl124_feed (dev, move-500);
+      status = gl124_feed (dev, move-500, SANE_FALSE);
       if (status != SANE_STATUS_GOOD)
         {
           DBG (DBG_error, "%s: failed to move to scan area\n",__FUNCTION__);
@@ -3511,12 +3528,13 @@ gl124_init_gpio (Genesys_Device * dev)
   DBGSTART;
 
   /* per model GPIO layout */
-  if (strcmp (dev->model->name, "canon-lide-110") == 0)
+  if ((strcmp (dev->model->name, "canon-lide-110") == 0)
+    ||(strcmp (dev->model->name, "canon-lide-120") == 0))
     {
       idx = 0;
     }
   else
-    {				/* canon LiDE 210 case */
+    {				/* canon LiDE 210 and 220 case */
       idx = 1;
     }
 
@@ -3544,12 +3562,13 @@ gl124_init_memory_layout (Genesys_Device * dev)
   DBGSTART;
 
   /* point to per model memory layout */
-  if (strcmp (dev->model->name, "canon-lide-110") == 0)
+  if ((strcmp (dev->model->name, "canon-lide-110") == 0)
+    ||(strcmp (dev->model->name, "canon-lide-120") == 0))
     {
       idx = 0;
     }
   else
-    {				/* canon LiDE 210 case */
+    {				/* canon LiDE 210 and 220 case */
       idx = 1;
     }