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Diffstat (limited to 'include')
-rw-r--r--include/sound/pcm.h3
-rw-r--r--include/uapi/sound/asound.h9
2 files changed, 7 insertions, 5 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 3edd7a7346da..dbce137d8806 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -93,6 +93,7 @@ struct snd_pcm_ops {
#define SNDRV_PCM_IOCTL1_CHANNEL_INFO 2
/* 3 is absent slot. */
#define SNDRV_PCM_IOCTL1_FIFO_SIZE 4
+#define SNDRV_PCM_IOCTL1_SYNC_ID 5
#define SNDRV_PCM_TRIGGER_STOP 0
#define SNDRV_PCM_TRIGGER_START 1
@@ -401,7 +402,7 @@ struct snd_pcm_runtime {
snd_pcm_uframes_t silence_start; /* starting pointer to silence area */
snd_pcm_uframes_t silence_filled; /* already filled part of silence area */
- union snd_pcm_sync_id sync; /* hardware synchronization ID */
+ unsigned char sync[16]; /* hardware synchronization ID */
/* -- mmap -- */
struct snd_pcm_mmap_status *status;
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index 628d46a0da92..8bf7e8a0eb6f 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -142,7 +142,7 @@ struct snd_hwdep_dsp_image {
* *
*****************************************************************************/
-#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 17)
+#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 18)
typedef unsigned long snd_pcm_uframes_t;
typedef signed long snd_pcm_sframes_t;
@@ -334,7 +334,7 @@ union snd_pcm_sync_id {
unsigned char id[16];
unsigned short id16[8];
unsigned int id32[4];
-};
+} __attribute__((deprecated));
struct snd_pcm_info {
unsigned int device; /* RO/WR (control): device number */
@@ -348,7 +348,7 @@ struct snd_pcm_info {
int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
unsigned int subdevices_count;
unsigned int subdevices_avail;
- union snd_pcm_sync_id sync; /* hardware synchronization ID */
+ unsigned char pad1[16]; /* was: hardware synchronization ID */
unsigned char reserved[64]; /* reserved for future... */
};
@@ -420,7 +420,8 @@ struct snd_pcm_hw_params {
unsigned int rate_num; /* R: rate numerator */
unsigned int rate_den; /* R: rate denominator */
snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
- unsigned char reserved[64]; /* reserved for future */
+ unsigned char sync[16]; /* R: synchronization ID (perfect sync - one clock source) */
+ unsigned char reserved[48]; /* reserved for future */
};
enum {