diff --git a/src/common/include/common/command.h b/src/common/include/common/command.h
index 66052dc..3174822 100644
--- a/src/common/include/common/command.h
+++ b/src/common/include/common/command.h
@@ -40,6 +40,8 @@ enum Command {
     CMD_LED_SET_MODE = 16,
     // Get key matrix state
     CMD_MATRIX_GET = 17,
+    // Save LED settings to ROM
+    CMD_LED_SAVE = 18,
     //TODO
 };
 
diff --git a/tool/src/ec.rs b/tool/src/ec.rs
index c685181..d0085f9 100644
--- a/tool/src/ec.rs
+++ b/tool/src/ec.rs
@@ -34,6 +34,7 @@ enum Cmd {
     LedGetMode = 15,
     LedSetMode = 16,
     MatrixGet = 17,
+    LedSave = 18,
 }
 
 const CMD_SPI_FLAG_READ: u8 = 1 << 0;
@@ -272,6 +273,10 @@ impl<A: Access> Ec<A> {
         self.command(Cmd::LedSetMode, &mut data)
     }
 
+    pub unsafe fn led_save(&mut self) -> Result<(), Error> {
+        self.command(Cmd::LedSave, &mut [])
+    }
+
     pub unsafe fn matrix_get(&mut self, matrix: &mut [u8]) -> Result<(), Error> {
         self.command(Cmd::MatrixGet, matrix)
     }
diff --git a/tool/src/main.rs b/tool/src/main.rs
index 90de8f4..e291bb5 100644
--- a/tool/src/main.rs
+++ b/tool/src/main.rs
@@ -371,6 +371,7 @@ fn main() {
                 .validator(validate_from_str::<u8>)
             )
         )
+        .subcommand(SubCommand::with_name("led_save"))
         .subcommand(SubCommand::with_name("matrix"))
         .subcommand(SubCommand::with_name("print")
             .arg(Arg::with_name("message")
@@ -571,6 +572,13 @@ fn main() {
                 }
             }
         },
+        ("led_save", Some(_sub_m)) => match unsafe { ec.led_save() } {
+            Ok(()) => (),
+            Err(err) => {
+                eprintln!("failed to save LED settings: {:X?}", err);
+                process::exit(1);
+            },
+        },
         ("matrix", Some(_sub_m)) => match unsafe { matrix(&mut ec) } {
             Ok(()) => (),
             Err(err) => {