From 216374c75add283a43a71d8c1b94668e9cd495f3 Mon Sep 17 00:00:00 2001
From: Radomir Dopieralski <openstack@sheep.art.pl>
Date: Sat, 2 Aug 2025 00:40:53 +0200
Subject: [PATCH] Fix audiocore.RawSample with loop=False on esp32*

We only want to exit the playing loop when the sample_data wasn't
null, otherwise we need to get the buffer and play it once.

Fix #10539
---
 ports/espressif/common-hal/audiobusio/__init__.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ports/espressif/common-hal/audiobusio/__init__.c b/ports/espressif/common-hal/audiobusio/__init__.c
index d07a0b521ba9b..287ceb839988a 100644
--- a/ports/espressif/common-hal/audiobusio/__init__.c
+++ b/ports/espressif/common-hal/audiobusio/__init__.c
@@ -42,6 +42,7 @@ static void i2s_fill_buffer(i2s_t *self) {
     while (!self->stopping && output_buffer_size > 0) {
         if (self->sample_data == self->sample_end) {
             uint32_t sample_buffer_length;
+            uint8_t *old_sample_data = self->sample_data;
             audioio_get_buffer_result_t get_buffer_result =
                 audiosample_get_buffer(self->sample, false, 0,
                     &self->sample_data, &sample_buffer_length);
@@ -49,7 +50,7 @@ static void i2s_fill_buffer(i2s_t *self) {
             if (get_buffer_result == GET_BUFFER_DONE) {
                 if (self->loop) {
                     audiosample_reset_buffer(self->sample, false, 0);
-                } else {
+                } else if (old_sample_data) {
                     self->stopping = true;
                     break;
                 }