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Diffstat (limited to 'include/sound/asound.h')
-rw-r--r--include/sound/asound.h19
1 files changed, 17 insertions, 2 deletions
diff --git a/include/sound/asound.h b/include/sound/asound.h
index 41885f48ad91..c1621c650a9a 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -688,7 +688,7 @@ struct snd_timer_tread {
* *
****************************************************************************/
-#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 3)
+#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 4)
struct snd_ctl_card_info {
int card; /* card number */
@@ -727,10 +727,15 @@ typedef int __bitwise snd_ctl_elem_iface_t;
#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
-#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<2) /* when was control changed */
+#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
+#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
#define SNDRV_CTL_ELEM_ACCESS_DINDIRECT (1<<30) /* indirect access for matrix dimensions in the info structure */
#define SNDRV_CTL_ELEM_ACCESS_INDIRECT (1<<31) /* indirect access for element value in the value structure */
@@ -818,6 +823,12 @@ struct snd_ctl_elem_value {
unsigned char reserved[128-sizeof(struct timespec)];
};
+struct snd_ctl_tlv {
+ unsigned int numid; /* control element numeric identification */
+ unsigned int length; /* in bytes aligned to 4 */
+ unsigned int tlv[0]; /* first TLV */
+};
+
enum {
SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int),
SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct snd_ctl_card_info),
@@ -831,6 +842,9 @@ enum {
SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct snd_ctl_elem_info),
SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct snd_ctl_elem_info),
SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct snd_ctl_elem_id),
+ SNDRV_CTL_IOCTL_TLV_READ = _IOWR('U', 0x1a, struct snd_ctl_tlv),
+ SNDRV_CTL_IOCTL_TLV_WRITE = _IOWR('U', 0x1b, struct snd_ctl_tlv),
+ SNDRV_CTL_IOCTL_TLV_COMMAND = _IOWR('U', 0x1c, struct snd_ctl_tlv),
SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int),
SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct snd_hwdep_info),
SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int),
@@ -855,6 +869,7 @@ enum sndrv_ctl_event_type {
#define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
#define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
#define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
+#define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
struct snd_ctl_event {