| Message ID | 1419009913-3686-4-git-send-email-pierre-louis.bossart@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 8337645..9ad9454 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -657,6 +657,9 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) azx_writel(chip, SSYNC, azx_readl(chip, SSYNC) & ~sbits); if (start) { azx_timecounter_init(substream, 0, 0); + snd_pcm_gettime(substream->runtime, &substream->runtime->trigger_tstamp); + substream->runtime->trigger_tstamp_latched = 1; + if (nsync > 1) { cycle_t cycle_last;
Make sure wallclock counter and trigger timestamp are read very close to each other for better alignment. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> --- sound/pci/hda/hda_controller.c | 3 +++ 1 file changed, 3 insertions(+)