cregit-Linux how code gets into the kernel

Release 4.14 sound/hda/trace.h

Directory: sound/hda
/* SPDX-License-Identifier: GPL-2.0 */

#undef TRACE_SYSTEM

#define TRACE_SYSTEM hda

#if !defined(__HDAC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)

#define __HDAC_TRACE_H

#include <linux/tracepoint.h>
#include <linux/device.h>
#include <sound/hdaudio.h>

#ifndef HDAC_MSG_MAX

#define HDAC_MSG_MAX	500
#endif

struct hdac_bus;
struct hdac_codec;

TRACE_EVENT(hda_send_cmd,
	TP_PROTO(struct hdac_bus *bus, unsigned int cmd),
	TP_ARGS(bus, cmd),
	TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
	TP_fast_assign(
                snprintf(__get_str(msg), HDAC_MSG_MAX,
			 "[%s:%d] val=0x%08x",
                         dev_name((bus)->dev), (cmd) >> 28, cmd);
        ),
	TP_printk("%s", __get_str(msg))
);

TRACE_EVENT(hda_get_response,
	TP_PROTO(struct hdac_bus *bus, unsigned int addr, unsigned int res),
	TP_ARGS(bus, addr, res),
	TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
	TP_fast_assign(
                snprintf(__get_str(msg), HDAC_MSG_MAX,
			 "[%s:%d] val=0x%08x",
                         dev_name((bus)->dev), addr, res);
        ),
	TP_printk("%s", __get_str(msg))
);

TRACE_EVENT(hda_unsol_event,
	TP_PROTO(struct hdac_bus *bus, u32 res, u32 res_ex),
	TP_ARGS(bus, res, res_ex),
	TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
	TP_fast_assign(
                snprintf(__get_str(msg), HDAC_MSG_MAX,
			 "[%s:%d] res=0x%08x, res_ex=0x%08x",
                         dev_name((bus)->dev), res_ex & 0x0f, res, res_ex);
        ),
	TP_printk("%s", __get_str(msg))
);

DECLARE_EVENT_CLASS(hdac_stream,
	TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),

	TP_ARGS(bus, azx_dev),

	TP_STRUCT__entry(
                __field(unsigned char, stream_tag)
        ),

	TP_fast_assign(
                __entry->stream_tag = (azx_dev)->stream_tag;
        ),

	TP_printk("stream_tag: %d", __entry->stream_tag)
);

DEFINE_EVENT(hdac_stream, snd_hdac_stream_start,
	TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
	TP_ARGS(bus, azx_dev)
);

DEFINE_EVENT(hdac_stream, snd_hdac_stream_stop,
	TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
	TP_ARGS(bus, azx_dev)
);

#endif /* __HDAC_TRACE_H */

/* This part must be outside protection */

#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .


#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_FILE trace

#include <trace/define_trace.h>

Overall Contributors

PersonTokensPropCommitsCommitProp
Takashi Iwai12864.00%133.33%
Libin Yang7135.50%133.33%
Greg Kroah-Hartman10.50%133.33%
Total200100.00%3100.00%
Directory: sound/hda
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