5 files changed, 60 insertions, 0 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index d30dba0ee688..4b3290447398 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -31,6 +31,8 @@
 #include <sound/control.h>
 #include <sound/info.h>
 
+#include "pcm_local.h"
+
 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Abramo Bagnara <abramo@alsa-project.org>");
 MODULE_DESCRIPTION("Midlevel PCM code for ALSA.");
 MODULE_LICENSE("GPL");
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index ab4b1d1e44ee..e50548af4004 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -33,6 +33,8 @@
 #include <sound/pcm_params.h>
 #include <sound/timer.h>
 
+#include "pcm_local.h"
+
 #ifdef CONFIG_SND_PCM_XRUN_DEBUG
 #define CREATE_TRACE_POINTS
 #include "pcm_trace.h"
diff --git a/sound/core/pcm_local.h b/sound/core/pcm_local.h
new file mode 100644
index 000000000000..34c66decaaf2
--- /dev/null
+++ b/sound/core/pcm_local.h
@@ -0,0 +1,51 @@
+/*
+ * pcm_local.h - a local header file for snd-pcm module.
+ *
+ * Copyright (c) Takashi Sakamoto <o-takashi@sakamocchi.jp>
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#ifndef __SOUND_CORE_PCM_LOCAL_H
+#define __SOUND_CORE_PCM_LOCAL_H
+
+extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates;
+
+void snd_interval_mul(const struct snd_interval *a,
+		      const struct snd_interval *b, struct snd_interval *c);
+void snd_interval_div(const struct snd_interval *a,
+		      const struct snd_interval *b, struct snd_interval *c);
+void snd_interval_muldivk(const struct snd_interval *a,
+			  const struct snd_interval *b,
+			  unsigned int k, struct snd_interval *c);
+void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k,
+			  const struct snd_interval *b, struct snd_interval *c);
+
+int snd_pcm_hw_constraints_init(struct snd_pcm_substream *substream);
+int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream);
+
+int snd_pcm_hw_params_choose(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params);
+
+int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime,
+			       snd_pcm_hw_param_t var, u_int32_t mask);
+
+int snd_pcm_update_state(struct snd_pcm_substream *substream,
+			 struct snd_pcm_runtime *runtime);
+int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream);
+
+void snd_pcm_playback_silence(struct snd_pcm_substream *substream,
+			      snd_pcm_uframes_t new_hw_ptr);
+
+#ifdef CONFIG_SND_PCM_TIMER
+void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream);
+void snd_pcm_timer_init(struct snd_pcm_substream *substream);
+void snd_pcm_timer_done(struct snd_pcm_substream *substream);
+#else
+static inline void
+snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) {}
+static inline void snd_pcm_timer_init(struct snd_pcm_substream *substream) {}
+static inline void snd_pcm_timer_done(struct snd_pcm_substream *substream) {}
+#endif
+
+#endif	/* __SOUND_CORE_PCM_LOCAL_H */
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index 53dc37357bca..dd8383e29315 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -23,6 +23,9 @@
 #include <linux/export.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
+
+#include "pcm_local.h"
+
 #define SND_PCM_FORMAT_UNKNOWN (-1)
 
 /* NOTE: "signed" prefix must be given below since the default char is
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 5be549cf91e5..bf5d0f2acfb9 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -37,6 +37,8 @@
 #include <sound/minors.h>
 #include <linux/uio.h>
 
+#include "pcm_local.h"
+
 /*
  *  Compatibility
  */