haptic: Fix initial detection of haptic devices on Linux system

SDL_UDEV_Scan must be called during SDL_SYS_HapticInit to ensure devices outside of the 0-31 range are added to the list of haptic devices. Fixes Bugzilla #3923.
libsdl-org · Aug 7, 2018 · e714f65 · e714f65
1 parent a37d3e0
commit e714f65
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/haptic/linux/SDL_syshaptic.c b/src/haptic/linux/SDL_syshaptic.c
@@ -181,6 +181,9 @@ SDL_SYS_HapticInit(void)
         SDL_UDEV_Quit();
         return SDL_SetError("Could not setup haptic <-> udev callback");
     }
+
+    /* Force a scan to build the initial device list */
+    SDL_UDEV_Scan();
 #endif /* SDL_USE_LIBUDEV */
 
     return numhaptics;