diff --git a/doc/json_schema.json b/doc/json_schema.json
index fd463b79e..469b233c6 100644
--- a/doc/json_schema.json
+++ b/doc/json_schema.json
@@ -1750,10 +1750,18 @@
                                         "$ref": "#/$defs/percent"
                                     },
                                     "ddcciSleep": {
-                                        "type": "integer",
-                                        "description": "Sleep time in milliseconds between DDC/CI requests\nSee <https://www.ddcutil.com/performance_options/#option-sleep-multiplier> for details",
-                                        "minimum": 0,
-                                        "maximum": 400,
+                                        "description": "Sleep time in milliseconds between DDC/CI requests\nSet to null to skip DDC/CI detection\nSee <https://www.ddcutil.com/performance_options/#option-sleep-multiplier> for details",
+                                        "oneOf": [
+                                            {
+                                                "type": "null",
+                                                "description": "Skip DDC/CI detection"
+                                            },
+                                            {
+                                                "type": "integer",
+                                                "minimum": 0,
+                                                "maximum": 400
+                                            }
+                                        ],
                                         "default": 10
                                     },
                                     "compact": {
diff --git a/src/detection/brightness/brightness.h b/src/detection/brightness/brightness.h
index 9aa586292..abb94787e 100644
--- a/src/detection/brightness/brightness.h
+++ b/src/detection/brightness/brightness.h
@@ -20,6 +20,7 @@ enum {
     FF_DDC_CI_COMMAND_PACKET = 0x80u,
     FF_DDC_CI_LUMINANCE_OPCODE = 0x10u,
 };
+#define FF_BRIGHTNESS_DDCCI_SLEEP_SKIP ((uint32_t) -1)
 #define FF_DDC_CI_MAKE_HEADER(len) (FF_DDC_CI_COMMAND_PACKET | ((len) & 0x7F))
 
 const char* ffDetectBrightness(FFBrightnessOptions* options, FFlist* result); // list of FFBrightnessResult
diff --git a/src/detection/brightness/brightness_apple.c b/src/detection/brightness/brightness_apple.c
index 8afa18f2e..5dd12b2a4 100644
--- a/src/detection/brightness/brightness_apple.c
+++ b/src/detection/brightness/brightness_apple.c
@@ -236,7 +236,7 @@ const char* ffDetectBrightness(FFBrightnessOptions* options, FFlist* result) {
 
     detectWithDisplayServices(displayServer, result);
 
-    if (displayServer->displays.length > result->length) {
+    if (options->ddcciSleep != FF_BRIGHTNESS_DDCCI_SLEEP_SKIP && displayServer->displays.length > result->length) {
         detectWithDdcci(displayServer, options, result);
     }
 
diff --git a/src/detection/brightness/brightness_bsd.c b/src/detection/brightness/brightness_bsd.c
index 42a13eb6f..45fe5e46a 100644
--- a/src/detection/brightness/brightness_bsd.c
+++ b/src/detection/brightness/brightness_bsd.c
@@ -139,7 +139,8 @@ const char* detectWithBacklight(FF_A_UNUSED FFBrightnessOptions* options, FF_A_U
 
 const char* ffDetectBrightness(FF_A_UNUSED FFBrightnessOptions* options, FFlist* result) {
     detectWithBacklight(options, result);
-    if (result->length == 0) {
+
+    if (options->ddcciSleep != FF_BRIGHTNESS_DDCCI_SLEEP_SKIP && result->length == 0) {
         detectWithDdcci(options, result);
     }
     return NULL;
diff --git a/src/detection/brightness/brightness_linux.c b/src/detection/brightness/brightness_linux.c
index 876d8fbda..95cde9fa9 100644
--- a/src/detection/brightness/brightness_linux.c
+++ b/src/detection/brightness/brightness_linux.c
@@ -164,9 +164,11 @@ const char* ffDetectBrightness(FF_A_UNUSED FFBrightnessOptions* options, FFlist*
     detectWithBacklight(result);
 
 #ifdef FF_HAVE_DDCUTIL
-    const FFDisplayServerResult* displayServer = ffConnectDisplayServer();
-    if (result->length < displayServer->displays.length) {
-        detectWithDdcci(options, result);
+    if (options->ddcciSleep != FF_BRIGHTNESS_DDCCI_SLEEP_SKIP) {
+        const FFDisplayServerResult* displayServer = ffConnectDisplayServer();
+        if (result->length < displayServer->displays.length) {
+            detectWithDdcci(options, result);
+        }
     }
 #endif
 
diff --git a/src/detection/brightness/brightness_windows.c b/src/detection/brightness/brightness_windows.c
index 685882f2d..70b7f0197 100644
--- a/src/detection/brightness/brightness_windows.c
+++ b/src/detection/brightness/brightness_windows.c
@@ -213,7 +213,7 @@ const char* ffDetectBrightness(FF_A_UNUSED FFBrightnessOptions* options, FFlist*
         detectWithWmi(result);
     }
 
-    if (result->length < displayServer->displays.length) {
+    if (options->ddcciSleep != FF_BRIGHTNESS_DDCCI_SLEEP_SKIP && result->length < displayServer->displays.length) {
         FF_DEBUG("resultCount=%u < displayCount=%u, trying DDC/CI", result->length, displayServer->displays.length);
         detectWithDdcci(displayServer, result);
     }
diff --git a/src/modules/brightness/brightness.c b/src/modules/brightness/brightness.c
index 0da4c8d2b..9f440c476 100644
--- a/src/modules/brightness/brightness.c
+++ b/src/modules/brightness/brightness.c
@@ -113,7 +113,11 @@ void ffParseBrightnessJsonObject(FFBrightnessOptions* options, yyjson_val* modul
         }
 
         if (unsafe_yyjson_equals_str(key, "ddcciSleep")) {
-            options->ddcciSleep = (uint32_t) yyjson_get_uint(val);
+            if (yyjson_is_null(val)) {
+                options->ddcciSleep = FF_BRIGHTNESS_DDCCI_SLEEP_SKIP;
+            } else {
+                options->ddcciSleep = (uint32_t) yyjson_get_uint(val);
+            }
             continue;
         }
 
@@ -133,7 +137,11 @@ void ffParseBrightnessJsonObject(FFBrightnessOptions* options, yyjson_val* modul
 void ffGenerateBrightnessJsonConfig(FFBrightnessOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
     ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
 
-    yyjson_mut_obj_add_uint(doc, module, "ddcciSleep", options->ddcciSleep);
+    if (options->ddcciSleep == FF_BRIGHTNESS_DDCCI_SLEEP_SKIP) {
+        yyjson_mut_obj_add_null(doc, module, "ddcciSleep");
+    } else {
+        yyjson_mut_obj_add_uint(doc, module, "ddcciSleep", options->ddcciSleep);
+    }
 
     ffPercentGenerateJsonConfig(doc, module, options->percent);