diff options
Diffstat (limited to 'sound/core/pcm_memory.c')
-rw-r--r-- | sound/core/pcm_memory.c | 62 |
1 files changed, 18 insertions, 44 deletions
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index 4b5356a10315..ed73be80bd29 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -87,19 +87,10 @@ static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream * @substream: the pcm substream instance * * Releases the pre-allocated buffer of the given substream. - * - * Return: Zero if successful, or a negative error code on failure. */ -int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream) +void 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_max_entry); - substream->proc_prealloc_max_entry = NULL; - snd_info_free_entry(substream->proc_prealloc_entry); - substream->proc_prealloc_entry = NULL; -#endif - return 0; } /** @@ -107,10 +98,8 @@ int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream) * @pcm: the pcm instance * * Releases all the pre-allocated buffers on the given pcm. - * - * Return: Zero if successful, or a negative error code on failure. */ -int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm) +void snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm) { struct snd_pcm_substream *substream; int stream; @@ -118,7 +107,6 @@ int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm) for (stream = 0; stream < 2; stream++) for (substream = pcm->streams[stream].substream; substream; substream = substream->next) snd_pcm_lib_preallocate_free(substream); - return 0; } EXPORT_SYMBOL(snd_pcm_lib_preallocate_free_for_all); @@ -198,26 +186,19 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream) { struct snd_info_entry *entry; - if ((entry = snd_info_create_card_entry(substream->pcm->card, "prealloc", substream->proc_root)) != NULL) { - entry->c.text.read = snd_pcm_lib_preallocate_proc_read; + entry = snd_info_create_card_entry(substream->pcm->card, "prealloc", + substream->proc_root); + if (entry) { + snd_info_set_text_ops(entry, substream, + snd_pcm_lib_preallocate_proc_read); entry->c.text.write = snd_pcm_lib_preallocate_proc_write; entry->mode |= 0200; - entry->private_data = substream; - if (snd_info_register(entry) < 0) { - snd_info_free_entry(entry); - entry = NULL; - } } - substream->proc_prealloc_entry = entry; - if ((entry = snd_info_create_card_entry(substream->pcm->card, "prealloc_max", substream->proc_root)) != NULL) { - entry->c.text.read = snd_pcm_lib_preallocate_max_proc_read; - entry->private_data = substream; - if (snd_info_register(entry) < 0) { - snd_info_free_entry(entry); - entry = NULL; - } - } - substream->proc_prealloc_max_entry = entry; + entry = snd_info_create_card_entry(substream->pcm->card, "prealloc_max", + substream->proc_root); + if (entry) + snd_info_set_text_ops(entry, substream, + snd_pcm_lib_preallocate_max_proc_read); } #else /* !CONFIG_SND_VERBOSE_PROCFS */ @@ -227,7 +208,7 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream) /* * pre-allocate the buffer and create a proc file for the substream */ -static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, +static void snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, size_t size, size_t max) { @@ -238,7 +219,6 @@ static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, substream->buffer_bytes_max = substream->dma_buffer.bytes; substream->dma_max = max; preallocate_info_init(substream); - return 0; } @@ -251,16 +231,14 @@ static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, * @max: the max. allowed pre-allocation size * * Do pre-allocation for the given DMA buffer type. - * - * Return: Zero if successful, or a negative error code on failure. */ -int snd_pcm_lib_preallocate_pages(struct snd_pcm_substream *substream, +void snd_pcm_lib_preallocate_pages(struct snd_pcm_substream *substream, int type, struct device *data, size_t size, size_t max) { substream->dma_buffer.dev.type = type; substream->dma_buffer.dev.dev = data; - return snd_pcm_lib_preallocate_pages1(substream, size, max); + snd_pcm_lib_preallocate_pages1(substream, size, max); } EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages); @@ -274,21 +252,17 @@ EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages); * * Do pre-allocation to all substreams of the given pcm for the * specified DMA type. - * - * Return: Zero if successful, or a negative error code on failure. */ -int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm, +void snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm, int type, void *data, size_t size, size_t max) { struct snd_pcm_substream *substream; - int stream, err; + int stream; for (stream = 0; stream < 2; stream++) for (substream = pcm->streams[stream].substream; substream; substream = substream->next) - if ((err = snd_pcm_lib_preallocate_pages(substream, type, data, size, max)) < 0) - return err; - return 0; + snd_pcm_lib_preallocate_pages(substream, type, data, size, max); } EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages_for_all); |