diff options
| author | Takashi Iwai <tiwai@suse.de> | 2011-08-02 15:39:31 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-08-04 17:02:37 +0200 |
| commit | d66fee5d65d947da32783ab0c32511ffe55ff5f3 (patch) | |
| tree | 7c924a588a9f3683e7ae26ff4f80077ad2d964eb /sound/pci/hda/hda_codec.c | |
| parent | c3540b81ee707bc8a7a83e850adf5feb3b84c04d (diff) | |
ALSA: hda - Add basic tracepoints
Add a few tracepoints to HD-audio driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 3e7850c238c..e105b653130 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -34,6 +34,9 @@ #include "hda_beep.h" #include <sound/hda_hwdep.h> +#define CREATE_TRACE_POINTS +#include "hda_trace.h" + /* * vendor / preset table */ @@ -208,15 +211,19 @@ static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd, again: snd_hda_power_up(codec); mutex_lock(&bus->cmd_mutex); + trace_hda_send_cmd(codec, cmd); err = bus->ops.command(bus, cmd); - if (!err && res) + if (!err && res) { *res = bus->ops.get_response(bus, codec->addr); + trace_hda_get_response(codec, *res); + } mutex_unlock(&bus->cmd_mutex); snd_hda_power_down(codec); if (res && *res == -1 && bus->rirb_error) { if (bus->response_reset) { snd_printd("hda_codec: resetting BUS due to " "fatal communication error\n"); + trace_hda_bus_reset(bus); bus->ops.bus_reset(bus); } goto again; @@ -4083,6 +4090,7 @@ static void hda_power_work(struct work_struct *work) return; } + trace_hda_power_down(codec); hda_call_codec_suspend(codec); if (bus->ops.pm_notify) bus->ops.pm_notify(bus); @@ -4121,6 +4129,7 @@ void snd_hda_power_up(struct hda_codec *codec) if (codec->power_on || codec->power_transition) return; + trace_hda_power_up(codec); snd_hda_update_power_acct(codec); codec->power_on = 1; codec->power_jiffies = jiffies; |