ALSA: Remove transfer_ack_{begin,end} callbacks from struct snd_pcm_runtime

[firefly-linux-kernel-4.4.55.git] / sound / core / pcm_lib.c

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6dc4277937b8bebb2ba092306f54b24828e1882c..05a3ca93c6474b3fa120f20c25403439bb469d1c 100644 (file)
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1875,9 +1875,6 @@ void snd_pcm_period_elapsed(struct snd_pcm_substream *substream)
                return;
        runtime = substream->runtime;
 
-       if (runtime->transfer_ack_begin)
-               runtime->transfer_ack_begin(substream);
-
        snd_pcm_stream_lock_irqsave(substream, flags);
        if (!snd_pcm_running(substream) ||
            snd_pcm_update_hw_ptr0(substream, 1) < 0)
@@ -1889,8 +1886,6 @@ void snd_pcm_period_elapsed(struct snd_pcm_substream *substream)
 #endif
  _end:
        snd_pcm_stream_unlock_irqrestore(substream, flags);
-       if (runtime->transfer_ack_end)
-               runtime->transfer_ack_end(substream);
        kill_fasync(&runtime->fasync, SIGIO, POLL_IN);
 }