diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h new file mode 100644 index 000000000000..93c3371daaca --- /dev/null +++ b/include/trace/events/asoc.h @@ -0,0 +1,64 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM asoc + +#if !defined(_TRACE_ASOC_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ASOC_H + +#include +#include + +struct snd_soc_codec; + +/* + * Log register events + */ +DECLARE_EVENT_CLASS(snd_soc_reg, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val), + + TP_STRUCT__entry( + __string( name, codec->name ) + __field( int, id ) + __field( unsigned int, reg ) + __field( unsigned int, val ) + ), + + TP_fast_assign( + __assign_str(name, codec->name); + __entry->id = codec->id; + __entry->reg = reg; + __entry->val = val; + ), + + TP_printk("codec=%s.%d reg=%x val=%x", __get_str(name), + (int)__entry->id, (unsigned int)__entry->reg, + (unsigned int)__entry->val) +); + +DEFINE_EVENT(snd_soc_reg, snd_soc_reg_write, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + +DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + + + +#endif /* _TRACE_ASOC_H */ + +/* This part must be outside protection */ +#include diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index c18ce1dc51b8..700a6d5b9721 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -39,6 +39,9 @@ #include #include +#define CREATE_TRACE_POINTS +#include + #define NAME_SIZE 32 static DEFINE_MUTEX(pcm_mutex); @@ -1914,6 +1917,7 @@ unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) ret = codec->driver->read(codec, reg); dev_dbg(codec->dev, "read %x => %x\n", reg, ret); + trace_snd_soc_reg_read(codec, reg, ret); return ret; } @@ -1923,6 +1927,7 @@ unsigned int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int val) { dev_dbg(codec->dev, "write %x = %x\n", reg, val); + trace_snd_soc_reg_write(codec, reg, val); return codec->driver->write(codec, reg, val); } EXPORT_SYMBOL_GPL(snd_soc_write);