PR #12813 from remibettan: power line freq option with hardcoded range

src/ds/d500/d500-color.cpp

@@ -143,13 +143,8 @@ namespace librealsense
             { 1.f, "50Hz" },
             { 2.f, "60Hz" } };
 
-        if (val_in_range(_pid, { ds::D555E_PID }))
-        {
-            description_per_value.insert(std::make_pair(3.f, "AUTO"));
-        }
-
         color_ep.register_option(RS2_OPTION_POWER_LINE_FREQUENCY,
-            std::make_shared<uvc_pu_option>(raw_color_ep, RS2_OPTION_POWER_LINE_FREQUENCY,
+            std::make_shared<power_line_freq_option>(raw_color_ep, RS2_OPTION_POWER_LINE_FREQUENCY,
                 description_per_value));
 
         color_ep.register_pu(RS2_OPTION_AUTO_EXPOSURE_PRIORITY);

src/ds/d500/d500-options.cpp

@@ -50,4 +50,8 @@ namespace librealsense
 
         return temperature;
     }
+
+    power_line_freq_option::power_line_freq_option(const std::weak_ptr< uvc_sensor >& ep, rs2_option id,
+        const std::map< float, std::string >& description_per_value) :
+        uvc_pu_option(ep, id, description_per_value) {}
 }

src/ds/d500/d500-options.h

@@ -6,6 +6,7 @@
 #include "ds/ds-private.h"
 #include "core/options-container.h"
 #include "option.h"
+#include "platform/uvc-option.h"
 
 #include <rsutils/lazy.h>
 
@@ -74,4 +75,20 @@ namespace librealsense
         temperature_component _component;
         const char* _description;
     };
+
+    class power_line_freq_option : public uvc_pu_option
+    {
+    public:
+        explicit power_line_freq_option(const std::weak_ptr< uvc_sensor >& ep, rs2_option id,
+            const std::map< float, std::string >& description_per_value);
+
+        virtual option_range get_range() const override
+        {
+            // this hardcoded max range has been done because 
+            // some d500 devices do not support the "AUTO" value
+            auto range = uvc_pu_option::get_range();
+            range.max = 2.f;
+            return range;
+        }
+    };
 }