diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c index cc07d5e19..61884f867 100644 --- a/src/class/audio/audio_device.c +++ b/src/class/audio/audio_device.c @@ -1619,9 +1619,17 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const * TU_ASSERT( audio->n_ff_used_rx <= audio->n_rx_supp_ff ); #endif #endif + +#if CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP + // In case of asynchronous EP, call Cb after ep_fb is set + if (((tusb_desc_endpoint_t const *) p_desc)->bmAttributes.sync != 0x01) + { + if (tud_audio_set_itf_cb) TU_VERIFY(tud_audio_set_itf_cb(rhport, p_request)); + } +#else // Invoke callback if (tud_audio_set_itf_cb) TU_VERIFY(tud_audio_set_itf_cb(rhport, p_request)); - +#endif // Prepare for incoming data #if USE_LINEAR_BUFFER_RX TU_VERIFY(usbd_edpt_xfer(rhport, audio->ep_out, audio->lin_buf_out, audio->ep_out_sz), false);