Merge branch 'genesys-canoscan-700f' into 'master'

genesys: Fix support for CanoScan 700F

See merge request sane-project/backends!402

backend/genesys/genesys.cpp

@@ -802,6 +802,12 @@ void scanner_move(Genesys_Device& dev, ScanMethod scan_method, unsigned steps, D
     }
 
     // wait until feed count reaches the required value
+    if (dev.model->model_id == ModelId::CANON_LIDE_700F) {
+        if (dev.cmd_set->needs_update_home_sensor_gpio()) {
+            dev.cmd_set->update_home_sensor_gpio(dev);
+        }
+    }
+
     // FIXME: should porbably wait for some timeout
     Status status;
     for (unsigned i = 0;; ++i) {

backend/genesys/tables_model.cpp

@@ -950,9 +950,10 @@ void genesys_init_usb_device_tables()
 
     model.resolutions = {
         {
+            // FIXME: support 2400 ad 4800 dpi
             { ScanMethod::FLATBED },
-            { 4800, 2400, 1200, 600, 300, 200, 150, 100, 75 },
+            { 1200, 600, 300, 200, 150, 100, 75 },
-            { 4800, 2400, 1200, 600, 300, 200, 150, 100, 75 },
+            { 1200, 600, 300, 200, 150, 100, 75 },
         }
     };