From a23b2e8e9472e5c8a5553609bc8fb07bc3ff5231 Mon Sep 17 00:00:00 2001
From: Victoria Fischer <tdfischer@hackerbots.net>
Date: Thu, 14 Nov 2024 19:43:14 +0100
Subject: [PATCH] power: implement AsMilliwatts for slices

---
 src/power.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/power.rs b/src/power.rs
index c7524a7..e98f762 100644
--- a/src/power.rs
+++ b/src/power.rs
@@ -19,6 +19,12 @@ impl AsMilliwatts for RGB8 {
     }
 }
 
+impl<T> AsMilliwatts for [T] where T: AsMilliwatts {
+    fn as_milliwatts(&self) -> u32 {
+        self.iter().map(|p| { p.as_milliwatts() }).sum()
+    }
+}
+
 pub fn brightness_for_mw(total_mw : u32, target : u8, max_power: u32) -> u8 {
     let target32 = target as u32;
     let requested_mw = (total_mw * target32) / 256;