From 6c3c2df82343e1947a7be3c5f0e72a116c1b634e Mon Sep 17 00:00:00 2001
From: Mark K Cowan <mark@battlesnake.co.uk>
Date: Sat, 17 Sep 2022 21:27:04 +0300
Subject: [PATCH] audio_device: prototype added for function referenced before
 use

---
 src/class/audio/audio_device.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c
index a021755bae..a65d605b7a 100644
--- a/src/class/audio/audio_device.c
+++ b/src/class/audio/audio_device.c
@@ -447,6 +447,10 @@ static inline uint8_t tu_desc_subtype(void const* desc)
 }
 #endif
 
+#if CFG_TUD_AUDIO_ENABLE_EP_OUT && CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
+static bool set_fb_params_freq(audiod_function_t* audio, uint32_t sample_freq, uint32_t mclk_freq);
+#endif
+
 bool tud_audio_n_mounted(uint8_t func_id)
 {
   TU_VERIFY(func_id < CFG_TUD_AUDIO);