/** * snd_pcm_lib_preallocate_free - release the preallocated buffer of the specified substream. * @substream: the pcm substream instance * * Releases the pre-allocated buffer of the given substream. * * Returns zero if successful, or a negative error code on failure. */ int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream) { snd_pcm_lib_preallocate_dma_free(substream); snd_info_unregister(substream->proc_prealloc_entry); substream->proc_prealloc_entry = NULL; return 0; }
/** * snd_pcm_lib_preallocate_free - release the preallocated buffer of the specified substream. * @substream: the pcm substream instance * * Releases the pre-allocated buffer of the given substream. * * Returns zero if successful, or a negative error code on failure. */ int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream) { snd_pcm_lib_preallocate_dma_free(substream); #ifdef CONFIG_SND_VERBOSE_PROCFS snd_info_free_entry(substream->proc_prealloc_entry); substream->proc_prealloc_entry = NULL; #endif return 0; }