Brightness: fix flag --brightness-ddcci-sleep

Author: CarterLi

CHANGELOG.md

@@ -30,6 +30,7 @@ Bugfixes:
 * Don't print display type twice (Display)
 * Detect BSSID instead of Wifi MAC address to align with other platforms (Wifi, macOS)
 * Remove support of used GPU memory detection, which is not reliable and only supported with `--gpu-force-vulkan`. (GPU)
+* Fix flag `--brightness-ddcci-sleep` (Brightness, Linux)
 
 Logos:
 * Add Black Mesa

src/modules/brightness/brightness.c

@@ -91,7 +91,7 @@ bool ffParseBrightnessCommandOptions(FFBrightnessOptions* options, const char* k
     if (ffOptionParseModuleArgs(key, subKey, value, &options->moduleArgs))
         return true;
 
-    if (ffStrEqualsIgnCase(key, "ddcci-sleep"))
+    if (ffStrEqualsIgnCase(subKey, "ddcci-sleep"))
     {
         options->ddcciSleep = ffOptionParseUInt32(key, value);
         return true;