ALSA: firewire-lib: optimize packet flushing

Trying to flush completed packets is pointless when the pointer
callback was called from the packet completion callback; avoid it.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
index 3f13ff63c5d2..b680c5ef01d6 100644
--- a/sound/firewire/amdtp.h
+++ b/sound/firewire/amdtp.h
@@ -68,6 +68,7 @@ struct amdtp_out_stream {
 
         unsigned int pcm_buffer_pointer;
         unsigned int pcm_period_pointer;
+        bool pointer_flush;
 };
 
 int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit,