add README.md into keyboards/helix/rev2/keymaps/led_test/ (#2582)

[qmk_firmware.git] / docs / config_options.md

diff --git a/docs/config_options.md b/docs/config_options.md
index a9ff549959a8b68b11a403736524b44d86729e12..055531b67029036b127d358535884c340536f22c 100644 (file)
--- a/docs/config_options.md
+++ b/docs/config_options.md
@@ -69,7 +69,11 @@ This is a C header file that is one of the first things included, and will persi
 * `#define BACKLIGHT_PIN B7`
   * pin of the backlight - B5, B6, B7 use PWM, others use softPWM
 * `#define BACKLIGHT_LEVELS 3`
-  * number of levels your backlight will have (not including off)
+  * number of levels your backlight will have (maximum 15 excluding off)
+* `#define BACKLIGHT_BREATHING`
+  * enables backlight breathing (only works with backlight pins B5, B6 and B7)
+* `#define BREATHING_PERIOD 6`
+  * the length of one backlight "breath" in seconds
 * `#define DEBOUNCING_DELAY 5`
   * the delay when reading the value of the pin (5 is default)
 * `#define LOCKING_SUPPORT_ENABLE`