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authorJurgen Kramer <gtmkramer@xs4all.nl>2014-09-10 09:00:28 +0200
committerTakashi Iwai <tiwai@suse.de>2014-09-10 09:10:50 +0200
commite59ffbf30ec13f7f1615ba266ec2f3e770801d6f (patch)
treeeef4f698304cbde01b0f93b02ebec41473cd64cb /include
parent622b1b6bdbb34baca885b65643d4796057574eb7 (diff)
pcm: add new 32-bit DSD sample format
Add the new DSD_U32_LE sample format to alsa-lib. NB include/pcm.h and include/sound/asound.h are updated so a new sync with the kernel headers is not needed Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/pcm.h4
-rw-r--r--include/sound/asound.h3
2 files changed, 5 insertions, 2 deletions
diff --git a/include/pcm.h b/include/pcm.h
index 11e9f0df..db88ad5e 100644
--- a/include/pcm.h
+++ b/include/pcm.h
@@ -211,7 +211,9 @@ typedef enum _snd_pcm_format {
SND_PCM_FORMAT_DSD_U8,
/* Direct Stream Digital (DSD) in 2-byte samples (x16) */
SND_PCM_FORMAT_DSD_U16_LE,
- SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U16_LE,
+ /* Direct Stream Digital (DSD) in 4-byte samples (x32) */
+ SND_PCM_FORMAT_DSD_U32_LE,
+ SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U32_LE,
#if __BYTE_ORDER == __LITTLE_ENDIAN
/** Signed 16 bit CPU endian */
diff --git a/include/sound/asound.h b/include/sound/asound.h
index 32168f7f..6ee58672 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -219,7 +219,8 @@ typedef int __bitwise snd_pcm_format_t;
#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
-#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U16_LE
+#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
+#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_LE
#ifdef SNDRV_LITTLE_ENDIAN
#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE