From 9502dcad6c1138a3ce2bae23ccd4be44c718d2a9 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 18 May 2005 16:25:46 +0200
Subject: [PATCH] [ALSA] Export missing snd_pcm_format_*()
PCM Midlevel
Export snd_pcm_format_size(). This function is used by some out-of-kernel
drivers.
Make snd_pcm_format_cpu_endian() macro for optimization.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
include/sound/pcm.h | 14 ++++++++++++++
sound/core/pcm.c | 1 +
sound/core/pcm_misc.c | 16 ----------------
3 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 53fc04d75badf..50a6ee1aeab20 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -922,8 +922,22 @@ int snd_pcm_format_unsigned(snd_pcm_format_t format);
int snd_pcm_format_linear(snd_pcm_format_t format);
int snd_pcm_format_little_endian(snd_pcm_format_t format);
int snd_pcm_format_big_endian(snd_pcm_format_t format);
+/**
+ * snd_pcm_format_cpu_endian - Check the PCM format is CPU-endian
+ * @format: the format to check
+ *
+ * Returns 1 if the given PCM format is CPU-endian, 0 if
+ * opposite, or a negative error code if endian not specified.
+ */
+/* int snd_pcm_format_cpu_endian(snd_pcm_format_t format); */
+#ifdef SNDRV_LITTLE_ENDIAN
+#define snd_pcm_format_cpu_endian snd_pcm_format_little_endian
+#else
+#define snd_pcm_format_cpu_endian snd_pcm_format_big_endian
+#endif
int snd_pcm_format_width(snd_pcm_format_t format); /* in bits */
int snd_pcm_format_physical_width(snd_pcm_format_t format); /* in bits */
+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);
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index a2757fcec1f0e..d57f4ec3b08bf 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1069,6 +1069,7 @@ EXPORT_SYMBOL(snd_pcm_format_little_endian);
EXPORT_SYMBOL(snd_pcm_format_big_endian);
EXPORT_SYMBOL(snd_pcm_format_width);
EXPORT_SYMBOL(snd_pcm_format_physical_width);
+EXPORT_SYMBOL(snd_pcm_format_size);
EXPORT_SYMBOL(snd_pcm_format_silence_64);
EXPORT_SYMBOL(snd_pcm_format_set_silence);
EXPORT_SYMBOL(snd_pcm_build_linear_format);
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index 422b8db141547..1453743e4da0e 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -269,22 +269,6 @@ int snd_pcm_format_big_endian(snd_pcm_format_t format)
return !val;
}
-/**
- * snd_pcm_format_cpu_endian - Check the PCM format is CPU-endian
- * @format: the format to check
- *
- * Returns 1 if the given PCM format is CPU-endian, 0 if
- * opposite, or a negative error code if endian not specified.
- */
-int snd_pcm_format_cpu_endian(snd_pcm_format_t format)
-{
-#ifdef SNDRV_LITTLE_ENDIAN
- return snd_pcm_format_little_endian(format);
-#else
- return snd_pcm_format_big_endian(format);
-#endif
-}
-
/**
* snd_pcm_format_width - return the bit-width of the format
* @format: the format to check
--
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