At Tue, 12 May 2015 09:43:20 +0800, libin.yang@intel.com wrote:
From: Libin Yang libin.yang@intel.com
Add the trace of snd_hdac_stream_start and snd_hdac_stream_stop.
Signed-off-by: Libin Yang libin.yang@intel.com
Applied all three patches. Thanks.
Takashi
sound/hda/hdac_stream.c | 5 +++++ sound/hda/trace.h | 27 +++++++++++++++++++++++++++ 2 files changed, 32 insertions(+)
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index 1ba0462..52a894f 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -10,6 +10,7 @@ #include <sound/pcm.h> #include <sound/hdaudio.h> #include <sound/hda_register.h> +#include "trace.h"
/**
- snd_hdac_stream_init - initialize each stream (aka device)
@@ -48,6 +49,8 @@ void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start) { struct hdac_bus *bus = azx_dev->bus;
- trace_snd_hdac_stream_start(bus, azx_dev);
- azx_dev->start_wallclk = snd_hdac_chip_readl(bus, WALLCLK); if (!fresh_start) azx_dev->start_wallclk -= azx_dev->period_wallclk;
@@ -82,6 +85,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_stream_clear); */ void snd_hdac_stream_stop(struct hdac_stream *azx_dev) {
- trace_snd_hdac_stream_stop(azx_dev->bus, azx_dev);
- snd_hdac_stream_clear(azx_dev); /* disable SIE */ snd_hdac_chip_updatel(azx_dev->bus, INTCTL, 1 << azx_dev->index, 0);
diff --git a/sound/hda/trace.h b/sound/hda/trace.h index 33a7eb5..e27e2c0 100644 --- a/sound/hda/trace.h +++ b/sound/hda/trace.h @@ -50,6 +50,33 @@ TRACE_EVENT(hda_unsol_event, ), 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 */
1.9.1