diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-09-17 20:52:23 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-09-17 20:53:10 +0200 |
commit | 45bd00d31de886f8425b4dd33204b911b0a466a9 (patch) | |
tree | 06204f2452e02ca916666173d50f5035d69065ef /include/sound/pcm.h | |
parent | 40d9d82c8ab8c4e2373a23a1e31dc8d84c53aa01 (diff) | |
parent | ab86e5765d41a5eb4239a1c04d613db87bea5ed8 (diff) |
Merge branch 'linus' into tracing/core
Merge reason: Pick up kernel/softirq.c update for dependent fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r-- | include/sound/pcm.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 23893523dc8..de6d981de5d 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -902,6 +902,7 @@ int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm, int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size); int snd_pcm_lib_free_pages(struct snd_pcm_substream *substream); +#ifdef CONFIG_SND_DMA_SGBUF /* * SG-buffer handling */ @@ -927,6 +928,28 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream, unsigned int snd_pcm_sgbuf_get_chunk_size(struct snd_pcm_substream *substream, unsigned int ofs, unsigned int size); +#else /* !SND_DMA_SGBUF */ +/* + * fake using a continuous buffer + */ +static inline dma_addr_t +snd_pcm_sgbuf_get_addr(struct snd_pcm_substream *substream, unsigned int ofs) +{ + return substream->runtime->dma_addr + ofs; +} + +static inline void * +snd_pcm_sgbuf_get_ptr(struct snd_pcm_substream *substream, unsigned int ofs) +{ + return substream->runtime->dma_area + ofs; +} + +#define snd_pcm_sgbuf_ops_page NULL + +#define snd_pcm_sgbuf_get_chunk_size(subs, ofs, size) (size) + +#endif /* SND_DMA_SGBUF */ + /* handle mmap counter - PCM mmap callback should handle this counter properly */ static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area) { @@ -965,4 +988,6 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max) #define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime) +const char *snd_pcm_format_name(snd_pcm_format_t format); + #endif /* __SOUND_PCM_H */ |