diff options
Diffstat (limited to 'include/sound/pcm.h')
| -rw-r--r-- | include/sound/pcm.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 373425895faa..f84d84993a31 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -300,7 +300,6 @@ struct snd_pcm_runtime { /* -- mmap -- */ volatile struct snd_pcm_mmap_status *status; volatile struct snd_pcm_mmap_control *control; - atomic_t mmap_count; /* -- locking / scheduling -- */ wait_queue_head_t sleep; @@ -368,7 +367,9 @@ struct snd_pcm_substream { struct snd_pcm_group *group; /* pointer to current group */ /* -- assigned files -- */ void *file; - struct file *ffile; + int ref_count; + atomic_t mmap_count; + unsigned int f_flags; void (*pcm_release)(struct snd_pcm_substream *); #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) /* -- OSS things -- */ @@ -387,7 +388,7 @@ struct snd_pcm_substream { unsigned int hw_opened: 1; }; -#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL) +#define SUBSTREAM_BUSY(substream) ((substream)->ref_count > 0) struct snd_pcm_str { @@ -825,14 +826,6 @@ int snd_interval_ratnum(struct snd_interval *i, void _snd_pcm_hw_params_any(struct snd_pcm_hw_params *params); void _snd_pcm_hw_param_setempty(struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var); -int snd_pcm_hw_param_near(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, - unsigned int val, int *dir); -int snd_pcm_hw_param_set(struct snd_pcm_substream *pcm, - struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, - unsigned int val, int dir); int snd_pcm_hw_params_choose(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params); int snd_pcm_hw_refine(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params); @@ -979,13 +972,13 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream, unsigne static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area) { struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data; - atomic_inc(&substream->runtime->mmap_count); + atomic_inc(&substream->mmap_count); } static inline void snd_pcm_mmap_data_close(struct vm_area_struct *area) { struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data; - atomic_dec(&substream->runtime->mmap_count); + atomic_dec(&substream->mmap_count); } /* mmap for io-memory area */ |