From fa0c088b7f7372b6946a2f2139f0e391cace34d6 Mon Sep 17 00:00:00 2001 From: wm4 Date: Wed, 13 Jan 2016 19:42:48 +0100 Subject: [PATCH] rpi: update vc_vchi_audioserv_defs.h Add audioserv 3 extensions. The changes were taken from the paste linked here: https://github.com/raspberrypi/linux/pull/1166#issuecomment-151917067 --- sound/arm/vc_vchi_audioserv_defs.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) --- a/sound/arm/vc_vchi_audioserv_defs.h +++ b/sound/arm/vc_vchi_audioserv_defs.h @@ -16,7 +16,7 @@ #define _VC_AUDIO_DEFS_H_ #define VC_AUDIOSERV_MIN_VER 1 -#define VC_AUDIOSERV_VER 2 +#define VC_AUDIOSERV_VER 3 // FourCC code used for VCHI connection #define VC_AUDIO_SERVER_NAME MAKE_FOURCC("AUDS") @@ -36,6 +36,7 @@ typedef enum { VC_AUDIO_MSG_TYPE_START, // Configure audio VC_AUDIO_MSG_TYPE_STOP, // Configure audio VC_AUDIO_MSG_TYPE_WRITE, // Configure audio + VC_AUDIO_MSG_TYPE_LATENCY, // request latency in cycles VC_AUDIO_MSG_TYPE_MAX } VC_AUDIO_MSG_TYPE; @@ -44,6 +45,7 @@ typedef struct { uint32_t channels; uint32_t samplerate; uint32_t bps; + uint32_t channelmap; } VC_AUDIO_CONFIG_T; @@ -84,6 +86,12 @@ typedef struct { uint16_t max_packet; } VC_AUDIO_WRITE_T; +// query latency in samples of sink +typedef struct +{ + uint32_t dummy; +} VC_AUDIO_LATENCY_T; + // Generic result for a request (VC->HOST) typedef struct { int32_t success; // Success value @@ -108,9 +116,10 @@ typedef struct { VC_AUDIO_START_T start; VC_AUDIO_STOP_T stop; VC_AUDIO_WRITE_T write; + VC_AUDIO_LATENCY_T latency; VC_AUDIO_RESULT_T result; VC_AUDIO_COMPLETE_T complete; } u; } VC_AUDIO_MSG_T; -#endif // _VC_AUDIO_DEFS_H_ +#endif // _VC_AUDIO_DEFS_H_ \ No newline at end of file