diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0130-rpi-update-vc_vchi_audioserv_defs.h.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0130-rpi-update-vc_vchi_audioserv_defs.h.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0130-rpi-update-vc_vchi_audioserv_defs.h.patch b/target/linux/brcm2708/patches-4.4/0130-rpi-update-vc_vchi_audioserv_defs.h.patch new file mode 100644 index 0000000000..7f08cee9ca --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0130-rpi-update-vc_vchi_audioserv_defs.h.patch @@ -0,0 +1,66 @@ +From 8d0fb551420eb11b534a106573e1fb262593175a Mon Sep 17 00:00:00 2001 +From: wm4 <wm4@nowhere> +Date: Wed, 13 Jan 2016 19:42:48 +0100 +Subject: [PATCH 130/156] 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 |