From: Libin Yang libin.yang@intel.com
This patch creates hda_intel_trace.h to add some pm trace functions used in hda_intel.c
Signed-off-by: Libin Yang libin.yang@intel.com --- sound/pci/hda/Makefile | 1 + sound/pci/hda/hda_intel.c | 9 +++++++ sound/pci/hda/hda_intel_trace.h | 53 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 63 insertions(+)
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile index c5e6651..9c259ce 100644 --- a/sound/pci/hda/Makefile +++ b/sound/pci/hda/Makefile @@ -11,6 +11,7 @@ snd-hda-codec-$(CONFIG_SND_HDA_INPUT_BEEP) += hda_beep.o
# for trace-points CFLAGS_hda_controller.o := -I$(src) +CFLAGS_hda_intel.o := -I$(src)
snd-hda-codec-generic-objs := hda_generic.o snd-hda-codec-realtek-objs := patch_realtek.o diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 706879a..5c84d40 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -64,6 +64,9 @@ #include "hda_controller.h" #include "hda_intel.h"
+#define CREATE_TRACE_POINTS +#include "hda_intel_trace.h" + /* position fix mode */ enum { POS_FIX_AUTO, @@ -831,6 +834,8 @@ static int azx_suspend(struct device *dev) if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL && hda->need_i915_power) hda_display_power(hda, false); + + trace_azx_suspend(chip); return 0; }
@@ -864,6 +869,8 @@ static int azx_resume(struct device *dev) hda_intel_init_chip(chip, true);
snd_power_change_state(card, SNDRV_CTL_POWER_D0); + + trace_azx_resume(chip); return 0; } #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */ @@ -897,6 +904,7 @@ static int azx_runtime_suspend(struct device *dev) && hda->need_i915_power) hda_display_power(hda, false);
+ trace_azx_runtime_suspend(chip); return 0; }
@@ -945,6 +953,7 @@ static int azx_runtime_resume(struct device *dev) azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & ~STATESTS_INT_MASK);
+ trace_azx_runtime_resume(chip); return 0; }
diff --git a/sound/pci/hda/hda_intel_trace.h b/sound/pci/hda/hda_intel_trace.h index e69de29..0922d8b 100644 --- a/sound/pci/hda/hda_intel_trace.h +++ b/sound/pci/hda/hda_intel_trace.h @@ -0,0 +1,53 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM hda_intel +#define TRACE_INCLUDE_FILE hda_intel_trace + +#if !defined(_TRACE_HDA_INTEL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HDA_INTEL_H + +#include <linux/tracepoint.h> + +DECLARE_EVENT_CLASS(hda_pm, + TP_PROTO(struct azx *chip), + + TP_ARGS(chip), + + TP_STRUCT__entry( + __field(int, dev_index) + ), + + TP_fast_assign( + __entry->dev_index = (chip)->dev_index; + ), + + TP_printk("card index: %d", __entry->dev_index) +); + +DEFINE_EVENT(hda_pm, azx_suspend, + TP_PROTO(struct azx *chip), + TP_ARGS(chip) +); + +DEFINE_EVENT(hda_pm, azx_resume, + TP_PROTO(struct azx *chip), + TP_ARGS(chip) +); + +#ifdef CONFIG_PM +DEFINE_EVENT(hda_pm, azx_runtime_suspend, + TP_PROTO(struct azx *chip), + TP_ARGS(chip) +); + +DEFINE_EVENT(hda_pm, azx_runtime_resume, + TP_PROTO(struct azx *chip), + TP_ARGS(chip) +); +#endif + +#endif /* _TRACE_HDA_INTEL_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#include <trace/define_trace.h>