fix for capture for case when status/control structures are not mmaped

diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c
index ec888100024bba2ecdfd1c7e816363ebab93cdbf..9aa315f1771ada89cbf27018b762f8af13ca1457 100644 (file)
--- a/src/pcm/pcm_hw.c
+++ b/src/pcm/pcm_hw.c
@@ -903,6 +903,8 @@ static snd_pcm_sframes_t snd_pcm_hw_avail_update(snd_pcm_t *pcm)
 {
        snd_pcm_hw_t *hw = pcm->private_data;
        snd_pcm_uframes_t avail;
+
+       sync_ptr(hw, 0);
        if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
                avail = snd_pcm_mmap_playback_avail(pcm);
        } else {