From f67c2203c6d073bedf55e73c38d0ed8625040d2f Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Sat, 25 Feb 2023 11:44:29 +0100
Subject: [PATCH] le_audio_util: mark const structs parameters

---
 src/le-audio/le_audio_util.c | 8 ++++----
 src/le-audio/le_audio_util.h | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/le-audio/le_audio_util.c b/src/le-audio/le_audio_util.c
index a5c7542de..eadaedc41 100644
--- a/src/le-audio/le_audio_util.c
+++ b/src/le-audio/le_audio_util.c
@@ -260,7 +260,7 @@ uint16_t le_audio_util_metadata_virtual_memcpy(const le_audio_metadata_t * metad
 }
 
 
-uint16_t le_audio_util_metadata_parse(uint8_t * buffer, uint8_t buffer_size, le_audio_metadata_t * metadata){
+uint16_t le_audio_util_metadata_parse(const uint8_t *buffer, uint8_t buffer_size, le_audio_metadata_t * metadata){
     // parse config to get sampling frequency and frame duration
     uint8_t offset = 0;
     uint8_t metadata_config_lenght = buffer[offset++];
@@ -336,7 +336,7 @@ uint16_t le_audio_util_metadata_parse(uint8_t * buffer, uint8_t buffer_size, le_
     return offset;
 }
 
-uint16_t le_audio_util_metadata_serialize(le_audio_metadata_t * metadata, uint8_t * event, uint16_t event_size){
+uint16_t le_audio_util_metadata_serialize(const le_audio_metadata_t *metadata, uint8_t * event, uint16_t event_size){
     uint8_t pos = 0;
     
     event[pos++] = (uint8_t)metadata->metadata_mask;
@@ -379,7 +379,7 @@ uint16_t le_audio_util_metadata_serialize(le_audio_metadata_t * metadata, uint8_
     return pos;
 }
 
-static uint16_t le_audio_util_get_value_size_for_metadata_type(le_audio_metadata_t * metadata, le_audio_metadata_type_t metadata_type){
+static uint16_t le_audio_util_get_value_size_for_metadata_type(const le_audio_metadata_t *metadata, le_audio_metadata_type_t metadata_type){
     switch (metadata_type){
         case LE_AUDIO_METADATA_TYPE_PREFERRED_AUDIO_CONTEXTS:
         case LE_AUDIO_METADATA_TYPE_STREAMING_AUDIO_CONTEXTS:
@@ -411,7 +411,7 @@ static uint16_t le_audio_util_get_value_size_for_metadata_type(le_audio_metadata
     return 0;
 }
 
-uint16_t le_audio_util_metadata_serialize_using_mask(le_audio_metadata_t * metadata, uint8_t * tlv_buffer, uint16_t tlv_buffer_size){
+uint16_t le_audio_util_metadata_serialize_using_mask(const le_audio_metadata_t *metadata, uint8_t * tlv_buffer, uint16_t tlv_buffer_size){
     uint16_t metadata_type;
     uint16_t pos = 0;
 
diff --git a/src/le-audio/le_audio_util.h b/src/le-audio/le_audio_util.h
index 44d3e59b8..ef9b055b4 100644
--- a/src/le-audio/le_audio_util.h
+++ b/src/le-audio/le_audio_util.h
@@ -57,11 +57,11 @@ uint16_t le_audio_util_virtual_memcpy_helper(
 
 uint16_t le_audio_util_metadata_virtual_memcpy(const le_audio_metadata_t * metadata, uint8_t metadata_length, uint16_t * records_offset, uint8_t * buffer, uint16_t buffer_size, uint16_t buffer_offset);
 
-uint16_t le_audio_util_metadata_parse(uint8_t * buffer, uint8_t buffer_size, le_audio_metadata_t * metadata);
+uint16_t le_audio_util_metadata_parse(const uint8_t *buffer, uint8_t buffer_size, le_audio_metadata_t * metadata);
 
-uint16_t le_audio_util_metadata_serialize(le_audio_metadata_t * metadata, uint8_t * event, uint16_t event_size);
+uint16_t le_audio_util_metadata_serialize(const le_audio_metadata_t *metadata, uint8_t * event, uint16_t event_size);
 
-uint16_t le_audio_util_metadata_serialize_using_mask(le_audio_metadata_t * metadata, uint8_t * tlv_buffer, uint16_t tlv_buffer_size);
+uint16_t le_audio_util_metadata_serialize_using_mask(const le_audio_metadata_t *metadata, uint8_t * tlv_buffer, uint16_t tlv_buffer_size);
 
 
 btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_audio_codec_frame_duration_index_t frame_duration_index);