From 579a744fb311e2d50df58a1373bb765007f9104f Mon Sep 17 00:00:00 2001
From: Chen Jichang <chenjichang@espressif.com>
Date: Wed, 6 Aug 2025 18:18:27 +0800
Subject: [PATCH] fix(rmt): fix the state of the simple encoder with mem full

Closes https://github.com/espressif/esp-idf/issues/17244
---
 components/esp_driver_rmt/src/rmt_encoder_simple.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/esp_driver_rmt/src/rmt_encoder_simple.c b/components/esp_driver_rmt/src/rmt_encoder_simple.c
index 5f3284b24b..91448dd11f 100644
--- a/components/esp_driver_rmt/src/rmt_encoder_simple.c
+++ b/components/esp_driver_rmt/src/rmt_encoder_simple.c
@@ -150,7 +150,8 @@ static size_t rmt_encode_simple(rmt_encoder_t *encoder, rmt_channel_handle_t cha
         // reset internal index if encoding session has finished
         simple_encoder->last_symbol_index = 0;
         state |= RMT_ENCODING_COMPLETE;
-    } else {
+    }
+    if (symbol_off >= tx_chan->mem_end) {
         // no more free memory, the caller should yield
         state |= RMT_ENCODING_MEM_FULL;
     }