1 files changed, 8 insertions, 10 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 15b885660bf0..df70e7592ab5 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -367,8 +367,9 @@ struct snd_pcm_substream {
         struct snd_pcm_group self_group;        /* fake group for non linked substream (with substream lock inside) */
         struct snd_pcm_group *group;            /* pointer to current group */
         /* -- assigned files -- */
-        struct snd_pcm_file *file;
+        void *file;
         struct file *ffile;
+        void (*pcm_release)(struct snd_pcm_substream *);
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
         /* -- OSS things -- */
         struct snd_pcm_oss_substream oss;
@@ -381,13 +382,10 @@ struct snd_pcm_substream {
         struct snd_info_entry *proc_prealloc_entry;
         /* misc flags */
         unsigned int no_mmap_ctrl: 1;
+        unsigned int hw_opened: 1;
 };
 
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
-#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL || ((substream)->oss.file != NULL))
-#else
 #define SUBSTREAM_BUSY(substream) ((substream)->file != NULL)
-#endif
 
 
 struct snd_pcm_str {
@@ -460,7 +458,6 @@ int snd_pcm_info_user(struct snd_pcm_substream *substream,
                       struct snd_pcm_info __user *info);
 int snd_pcm_status(struct snd_pcm_substream *substream,
                    struct snd_pcm_status *status);
-int snd_pcm_prepare(struct snd_pcm_substream *substream);
 int snd_pcm_start(struct snd_pcm_substream *substream);
 int snd_pcm_stop(struct snd_pcm_substream *substream, int status);
 int snd_pcm_drain_done(struct snd_pcm_substream *substream);
@@ -468,11 +465,13 @@ int snd_pcm_drain_done(struct snd_pcm_substream *substream);
 int snd_pcm_suspend(struct snd_pcm_substream *substream);
 int snd_pcm_suspend_all(struct snd_pcm *pcm);
 #endif
-int snd_pcm_kernel_playback_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg);
-int snd_pcm_kernel_capture_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg);
 int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg);
-int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct snd_pcm_substream **rsubstream);
+int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct file *file,
+                           struct snd_pcm_substream **rsubstream);
 void snd_pcm_release_substream(struct snd_pcm_substream *substream);
+int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, struct file *file,
+                             struct snd_pcm_substream **rsubstream);
+void snd_pcm_detach_substream(struct snd_pcm_substream *substream);
 void snd_pcm_vma_notify_data(void *client, void *data);
 int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file, struct vm_area_struct *area);
 
@@ -899,7 +898,6 @@ ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples);
 const unsigned char *snd_pcm_format_silence_64(snd_pcm_format_t format);
 int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int frames);
 snd_pcm_format_t snd_pcm_build_linear_format(int width, int unsignd, int big_endian);
-const char *snd_pcm_format_name(snd_pcm_format_t format);
 
 void snd_pcm_set_ops(struct snd_pcm * pcm, int direction, struct snd_pcm_ops *ops);
 void snd_pcm_set_sync(struct snd_pcm_substream *substream);