diff --git a/src/camera/drivers/sensors/imx355/imx355.cc b/src/camera/drivers/sensors/imx355/imx355.cc
index 4f3d0fd..e2c4e48 100644
--- a/src/camera/drivers/sensors/imx355/imx355.cc
+++ b/src/camera/drivers/sensors/imx355/imx355.cc
@@ -54,6 +54,8 @@
 }
 
 zx_status_t Imx355Device::InitPdev() {
+  printf("****\n****\n**** IMX355!\n****\n****\n");
+
   std::lock_guard guard(lock_);
 
   // I2c for communicating with the sensor.
diff --git a/src/camera/drivers/sensors/imx355/imx355_protocol.cc b/src/camera/drivers/sensors/imx355/imx355_protocol.cc
index dacf7b3..1760deb 100644
--- a/src/camera/drivers/sensors/imx355/imx355_protocol.cc
+++ b/src/camera/drivers/sensors/imx355/imx355_protocol.cc
@@ -54,15 +54,14 @@
                                                          size_t modes_count,
                                                          size_t* out_modes_actual) {
   std::lock_guard guard(lock_);
-
-  if (available_modes.size() < modes_count) {
-    modes_count = available_modes.size();
+  if (modes_count > available_modes.size()) {
+    return ZX_ERR_INVALID_ARGS;
   }
 
-  for (size_t i = 0; i < modes_count; i++) {
+  for (size_t i = 0; i < available_modes.size(); i++) {
     out_modes_list[i] = available_modes[i];
   }
-  *out_modes_actual = modes_count;
+  *out_modes_actual = available_modes.size();
   return ZX_OK;
 }