genesys: Don't write registers in init_regs_for_warmup()

backend/genesys/genesys.cpp

@@ -3177,6 +3177,8 @@ static void genesys_warmup_lamp(Genesys_Device* dev)
   const auto& sensor = sanei_genesys_find_sensor_any(dev);
 
     dev->cmd_set->init_regs_for_warmup(dev, sensor, &dev->reg, &channels, &total_size);
+    dev->interface->write_registers(dev->reg);
+
   std::vector<uint8_t> first_line(total_size);
   std::vector<uint8_t> second_line(total_size);
 

backend/genesys/gl124.cpp

@@ -1956,7 +1956,6 @@ void CommandSetGl124::init_regs_for_warmup(Genesys_Device* dev, const Genesys_Se
   *total_size = num_pixels * 3 * 1;        /* colors * bytes_per_color * scan lines */
 
   sanei_genesys_set_motor_power(*reg, false);
-    dev->interface->write_registers(*reg);
 }
 
 /** @brief default GPIO values

backend/genesys/gl646.cpp

@@ -2636,7 +2636,6 @@ void CommandSetGl646::init_regs_for_warmup(Genesys_Device* dev, const Genesys_Se
 
     // now registers are ok, write them to scanner
     gl646_set_fe(dev, local_sensor, AFE_SET, settings.xres);
-    dev->interface->write_registers(*local_reg);
 }
 
 

backend/genesys/gl841.cpp

@@ -3387,8 +3387,6 @@ void CommandSetGl841::init_regs_for_warmup(Genesys_Device* dev, const Genesys_Se
     num_pixels = session.output_pixels;
 
   *total_size = num_pixels * 3 * 2 * 1;	/* colors * bytes_per_color * scan lines */
-
-    dev->interface->write_registers(*local_reg);
 }
 
 

backend/genesys/gl843.cpp

@@ -2428,7 +2428,6 @@ void CommandSetGl843::init_regs_for_warmup(Genesys_Device* dev, const Genesys_Se
     init_regs_for_scan_session(dev, calib_sensor, reg, session);
 
   sanei_genesys_set_motor_power(*reg, false);
-    dev->interface->write_registers(*reg);
 }
 
 /**