1 files changed, 5 insertions, 1 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 2f645dfd7f70..deff5a92efa6 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -56,6 +56,8 @@ struct snd_pcm_hardware {
         size_t fifo_size;               /* fifo size in bytes */
 };
 
+struct snd_pcm_substream;
+
 struct snd_pcm_ops {
         int (*open)(struct snd_pcm_substream *substream);
         int (*close)(struct snd_pcm_substream *substream);
@@ -384,6 +386,7 @@ struct snd_pcm_substream {
         struct snd_info_entry *proc_sw_params_entry;
         struct snd_info_entry *proc_status_entry;
         struct snd_info_entry *proc_prealloc_entry;
+        struct snd_info_entry *proc_prealloc_max_entry;
 #endif
         /* misc flags */
         unsigned int hw_opened: 1;
@@ -427,6 +430,7 @@ struct snd_pcm {
         wait_queue_head_t open_wait;
         void *private_data;
         void (*private_free) (struct snd_pcm *pcm);
+        struct device *dev; /* actual hw device this belongs to */
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
         struct snd_pcm_oss oss;
 #endif
@@ -443,7 +447,7 @@ struct snd_pcm_notify {
  *  Registering
  */
 
-extern struct file_operations snd_pcm_f_ops[2];
+extern const struct file_operations snd_pcm_f_ops[2];
 
 int snd_pcm_new(struct snd_card *card, char *id, int device,
                 int playback_count, int capture_count,