target/linux/brcm2708/patches-4.4/0128-rpi-update-vc_vchi_audioserv_defs.h.patch

   1 From cd33640409eb73b99703273192971e0ea874652f Mon Sep 17 00:00:00 2001
   2 From: wm4 <wm4@nowhere>
   3 Date: Wed, 13 Jan 2016 19:42:48 +0100
   4 Subject: [PATCH 128/381] rpi: update vc_vchi_audioserv_defs.h
   5
   6 Add audioserv 3 extensions. The changes were taken from the paste
   7 linked here:
   8
   9 https://github.com/raspberrypi/linux/pull/1166#issuecomment-151917067
  10 ---
  11  sound/arm/vc_vchi_audioserv_defs.h | 13 +++++++++++--
  12  1 file changed, 11 insertions(+), 2 deletions(-)
  13
  14 --- a/sound/arm/vc_vchi_audioserv_defs.h
  15 +++ b/sound/arm/vc_vchi_audioserv_defs.h
  16 @@ -16,7 +16,7 @@
  17  #define _VC_AUDIO_DEFS_H_
  18
  19  #define VC_AUDIOSERV_MIN_VER 1
  20 -#define VC_AUDIOSERV_VER 2
  21 +#define VC_AUDIOSERV_VER 3
  22
  23  // FourCC code used for VCHI connection
  24  #define VC_AUDIO_SERVER_NAME  MAKE_FOURCC("AUDS")
  25 @@ -36,6 +36,7 @@ typedef enum {
  26         VC_AUDIO_MSG_TYPE_START,        // Configure audio
  27         VC_AUDIO_MSG_TYPE_STOP, // Configure audio
  28         VC_AUDIO_MSG_TYPE_WRITE,        // Configure audio
  29 +       VC_AUDIO_MSG_TYPE_LATENCY,      // request latency in cycles
  30         VC_AUDIO_MSG_TYPE_MAX
  31  } VC_AUDIO_MSG_TYPE;
  32
  33 @@ -44,6 +45,7 @@ typedef struct {
  34         uint32_t channels;
  35         uint32_t samplerate;
  36         uint32_t bps;
  37 +       uint32_t channelmap;
  38
  39  } VC_AUDIO_CONFIG_T;
  40
  41 @@ -84,6 +86,12 @@ typedef struct {
  42         uint16_t max_packet;
  43  } VC_AUDIO_WRITE_T;
  44
  45 +// query latency in samples of sink
  46 +typedef struct
  47 +{
  48 +       uint32_t dummy;
  49 +} VC_AUDIO_LATENCY_T;
  50 +
  51  // Generic result for a request (VC->HOST)
  52  typedef struct {
  53         int32_t success;        // Success value
  54 @@ -108,9 +116,10 @@ typedef struct {
  55                 VC_AUDIO_START_T start;
  56                 VC_AUDIO_STOP_T stop;
  57                 VC_AUDIO_WRITE_T write;
  58 +               VC_AUDIO_LATENCY_T latency;
  59                 VC_AUDIO_RESULT_T result;
  60                 VC_AUDIO_COMPLETE_T complete;
  61         } u;
  62  } VC_AUDIO_MSG_T;
  63
  64 -#endif // _VC_AUDIO_DEFS_H_
  65 +#endif // _VC_AUDIO_DEFS_H_
  66 \ No newline at end of file