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Diffstat (limited to 'sound/firewire/tascam/tascam-pcm.c')
-rw-r--r--sound/firewire/tascam/tascam-pcm.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c
index 6207588d7c73..3c4482aa7231 100644
--- a/sound/firewire/tascam/tascam-pcm.c
+++ b/sound/firewire/tascam/tascam-pcm.c
@@ -263,6 +263,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm)
return amdtp_stream_pcm_pointer(&tscm->rx_stream);
}
+static int pcm_capture_ack(struct snd_pcm_substream *substream)
+{
+ struct snd_tscm *tscm = substream->private_data;
+
+ return amdtp_stream_pcm_ack(&tscm->tx_stream);
+}
+
+static int pcm_playback_ack(struct snd_pcm_substream *substream)
+{
+ struct snd_tscm *tscm = substream->private_data;
+
+ return amdtp_stream_pcm_ack(&tscm->rx_stream);
+}
+
int snd_tscm_create_pcm_devices(struct snd_tscm *tscm)
{
static const struct snd_pcm_ops capture_ops = {
@@ -274,6 +288,7 @@ int snd_tscm_create_pcm_devices(struct snd_tscm *tscm)
.prepare = pcm_capture_prepare,
.trigger = pcm_capture_trigger,
.pointer = pcm_capture_pointer,
+ .ack = pcm_capture_ack,
.page = snd_pcm_lib_get_vmalloc_page,
};
static const struct snd_pcm_ops playback_ops = {
@@ -285,6 +300,7 @@ int snd_tscm_create_pcm_devices(struct snd_tscm *tscm)
.prepare = pcm_playback_prepare,
.trigger = pcm_playback_trigger,
.pointer = pcm_playback_pointer,
+ .ack = pcm_playback_ack,
.page = snd_pcm_lib_get_vmalloc_page,
.mmap = snd_pcm_lib_mmap_vmalloc,
};