Provides an area to communicate with a DSP to implement support for weird and wonderful features of DSP hardware that aren't supported in the compress offload API.
Signed-off-by: Tim Sheridan tim.sheridan@imgtec.com --- include/uapi/sound/compress_offload.h | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index e00d8cb..65ac445 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -30,7 +30,7 @@ #include <sound/compress_params.h>
-#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 2) +#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 3) /** * struct snd_compressed_buffer - compressed buffer * @fragment_size: size of buffer fragment in bytes @@ -150,6 +150,8 @@ struct snd_compr_metadata { * SNDRV_COMPRESS_SET_PARAMS: Set codec and stream parameters * Note: only codec params can be changed runtime and stream params cant be * SNDRV_COMPRESS_GET_PARAMS: Query codec params + * SNDRV_COMPRESS_SET_DSP_PRIV: Set private DSP metadata + * SNDRV_COMPRESS_GET_DSP_PRIV: Get private DSP metadata * SNDRV_COMPRESS_TSTAMP: get the current timestamp value * SNDRV_COMPRESS_AVAIL: get the current buffer avail value. * This also queries the tstamp properties @@ -171,6 +173,8 @@ struct snd_compr_metadata { struct snd_compr_metadata) #define SNDRV_COMPRESS_GET_METADATA _IOWR('C', 0x15,\ struct snd_compr_metadata) +#define SNDRV_COMPRESS_SET_DSP_PRIV _IOW('C', 0x16, struct snd_compr_metadata) +#define SNDRV_COMPRESS_GET_DSP_PRIV _IOWR('C', 0x17, struct snd_compr_metadata) #define SNDRV_COMPRESS_TSTAMP _IOR('C', 0x20, struct snd_compr_tstamp) #define SNDRV_COMPRESS_AVAIL _IOR('C', 0x21, struct snd_compr_avail) #define SNDRV_COMPRESS_PAUSE _IO('C', 0x30)