[PATCH] maximum latency tracking: ALSA support
[linux-2.6.git] / sound / core / pcm.c
index bf8f412..fbbbcd2 100644 (file)
@@ -629,6 +629,9 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
                substream->number = idx;
                substream->stream = stream;
                sprintf(substream->name, "subdevice #%i", idx);
+               snprintf(substream->latency_id, sizeof(substream->latency_id),
+                        "ALSA-PCM%d-%d%c%d", pcm->card->number, pcm->device,
+                        (stream ? 'c' : 'p'), idx);
                substream->buffer_bytes_max = UINT_MAX;
                if (prev == NULL)
                        pstr->substream = substream;