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Commit a82ce2ae authored by Liam Girdwood's avatar Liam Girdwood Committed by Mark Brown
Browse files

ASoC: core - Add platform IO tracing 



Trace platform IO just like CODEC IO.

Signed-off-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent cb2cf612

include/trace/events/asoc.h

+45 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 


struct snd_soc_jack;

struct snd_soc_codec;

struct snd_soc_platform;

struct snd_soc_card;

struct snd_soc_dapm_widget;
@@ -59,6 +60,50 @@ DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read, 


);



DECLARE_EVENT_CLASS(snd_soc_preg,



	TP_PROTO(struct snd_soc_platform *platform, unsigned int reg,

		 unsigned int val),



	TP_ARGS(platform, reg, val),



	TP_STRUCT__entry(

		__string(	name,		platform->name	)

		__field(	int,		id		)

		__field(	unsigned int,	reg		)

		__field(	unsigned int,	val		)

	),



	TP_fast_assign(

		__assign_str(name, platform->name);

		__entry->id = platform->id;

		__entry->reg = reg;

		__entry->val = val;

	),



	TP_printk("platform=%s.%d reg=%x val=%x", __get_str(name),

		  (int)__entry->id, (unsigned int)__entry->reg,

		  (unsigned int)__entry->val)

);



DEFINE_EVENT(snd_soc_preg, snd_soc_preg_write,



	TP_PROTO(struct snd_soc_platform *platform, unsigned int reg,

		 unsigned int val),



	TP_ARGS(platform, reg, val)



);



DEFINE_EVENT(snd_soc_preg, snd_soc_preg_read,



	TP_PROTO(struct snd_soc_platform *platform, unsigned int reg,

		 unsigned int val),



	TP_ARGS(platform, reg, val)



);



DECLARE_EVENT_CLASS(snd_soc_card,



	TP_PROTO(struct snd_soc_card *card, int val),

sound/soc/soc-core.c

+2 −0
Original line number Diff line number Diff line
@@ -1665,6 +1665,7 @@ int snd_soc_platform_read(struct snd_soc_platform *platform, 


	ret = platform->driver->read(platform, reg);

	dev_dbg(platform->dev, "read %x => %x\n", reg, ret);

	trace_snd_soc_preg_read(platform, reg, ret);



	return ret;

}
@@ -1679,6 +1680,7 @@ int snd_soc_platform_write(struct snd_soc_platform *platform, 
	}



	dev_dbg(platform->dev, "write %x = %x\n", reg, val);

	trace_snd_soc_preg_write(platform, reg, val);

	return platform->driver->write(platform, reg, val);

}

EXPORT_SYMBOL_GPL(snd_soc_platform_write);