From 845511e32208e647b95763630e0866c6323cc644 Mon Sep 17 00:00:00 2001
From: Ian Richardson <iantrich@gmail.com>
Date: Tue, 12 May 2020 11:29:43 -0500
Subject: [PATCH] Add 'brightness' as a secondary_info option (#5731)

---
 src/panels/lovelace/cards/types.ts                       | 3 ++-
 src/panels/lovelace/components/hui-generic-entity-row.ts | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/panels/lovelace/cards/types.ts b/src/panels/lovelace/cards/types.ts
index 1d3fbea65b..3ce3342309 100644
--- a/src/panels/lovelace/cards/types.ts
+++ b/src/panels/lovelace/cards/types.ts
@@ -34,7 +34,8 @@ export interface EntitiesCardEntityConfig extends EntityConfig {
     | "last-changed"
     | "last-triggered"
     | "position"
-    | "tilt-position";
+    | "tilt-position"
+    | "brightness";
   action_name?: string;
   service?: string;
   service_data?: object;
diff --git a/src/panels/lovelace/components/hui-generic-entity-row.ts b/src/panels/lovelace/components/hui-generic-entity-row.ts
index fe154e0775..a33127ce02 100644
--- a/src/panels/lovelace/components/hui-generic-entity-row.ts
+++ b/src/panels/lovelace/components/hui-generic-entity-row.ts
@@ -122,6 +122,11 @@ class HuiGenericEntityRow extends LitElement {
                   ? `${this.hass.localize("ui.card.cover.tilt_position")}: ${
                       stateObj.attributes.current_tilt_position
                     }`
+                  : this.config.secondary_info === "brightness" &&
+                    stateObj.attributes.brightness
+                  ? html`${Math.round(
+                      (stateObj.attributes.brightness / 255) * 100
+                    )}%`
                   : "")}
               </div>
             `