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authorLibin Yang <libin.yang@intel.com>2015-05-12 09:43:22 +0800
committerTakashi Iwai <tiwai@suse.de>2015-05-18 10:06:44 +0200
commit785d8c4be82b45d10ff0d5cebfddadb1e1f6ae15 (patch)
treec86e2aaa1115fc1f4bda86f46120fbb58f162a09 /sound/pci
parent184865085b88789fc8a355cc16ceff25f82f63ba (diff)
downloadop-kernel-dev-785d8c4be82b45d10ff0d5cebfddadb1e1f6ae15.zip
op-kernel-dev-785d8c4be82b45d10ff0d5cebfddadb1e1f6ae15.tar.gz
ALSA: hda - add hda_intel_trace.h
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> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/Makefile1
-rw-r--r--sound/pci/hda/hda_intel.c9
-rw-r--r--sound/pci/hda/hda_intel_trace.h53
3 files changed, 63 insertions, 0 deletions
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>
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