Add support for backlight

2 files changed, 22 insertions, 0 deletions

diff --git a/doc/build.md b/doc/build.md
index 88504f096..ae8565010 100644
--- a/doc/build.md
+++ b/doc/build.md
@@ -132,6 +132,7 @@ Optional. Note that ***comment out*** to disable them.
     COMMAND_ENABLE = yes        # Commands for debug and configuration
     SLEEP_LED_ENABLE = yes      # Breathing sleep LED during USB suspend
     #NKRO_ENABLE = yes          # USB Nkey Rollover - not yet supported in LUFA
+    #BACKLIGHT_ENABLE = yes     # Enable keyboard backlight functionality
 
 ### 3. Programmer
 Optional. Set proper command for your controller, bootloader and programmer. This command can be used with `make program`. Not needed if you use `FLIP`, `dfu-programmer` or `Teesy Loader`.
diff --git a/doc/keymap.md b/doc/keymap.md
index 474a706e0..7d979eb7c 100644
--- a/doc/keymap.md
+++ b/doc/keymap.md
@@ -430,6 +430,27 @@ See `keyboard/hhkb/keymap.c` for sample.
 
 
 
+### 2.5 Backlight Action
+These actions control the backlight.
+
+#### 2.5.1 Change backlight level
+Increase backlight level.
+
+    ACTION_BACKLIGHT_INCREASE()
+
+Decrease backlight level.
+
+    ACTION_BACKLIGHT_DECREASE()
+
+Step through backlight levels.
+
+    ACTION_BACKLIGHT_STEP()
+
+#### 2.5.2 Turn on / off backlight
+Turn the backlight on and off without changing level.
+
+    ACTION_BACKLIGHT_TOGGLE()
+
 
 
 ## 3. Layer switching Example