[ALSA] Use posix clock monotonic for PCM and timer timestamps

We need an accurate and continuous (monotonic) time sources to do
accurate synchronization among more timing sources. This patch allows
to enable monotonic timestamps for ALSA PCM devices and enables monotonic
timestamps for ALSA timer devices.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 93d7ca50273..db3d7e934ec 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -188,7 +188,7 @@ static inline int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *subs
         snd_pcm_sframes_t delta;
 
         if (runtime->tstamp_mode == SNDRV_PCM_TSTAMP_MMAP)
-                getnstimeofday((struct timespec *)&runtime->status->tstamp);
+                snd_pcm_gettime(runtime, (struct timespec *)&runtime->status->tstamp);
         pos = snd_pcm_update_hw_ptr_pos(substream, runtime);
         if (pos == SNDRV_PCM_POS_XRUN) {
                 xrun(substream);