[ALSA] Control API - more robust TLV implementation

[powerpc.git] / include / sound / asound.h

diff --git a/include/sound/asound.h b/include/sound/asound.h
index 76a2040..c1621c6 100644 (file)
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -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 */
@@ -838,6 +843,8 @@ enum {
        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),
@@ -862,6 +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 {