C++ (Cpp) snd_pcm_lib_preallocate_dma_free Exemples

Exemple #1

Fichier : pcm_memory.c Projet : rcplay/snake-os

/**
 * 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;
}

Exemple #2

Fichier : pcm_memory.c Projet : B-Rich/linux_drivers

/**
 * 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;
}