playback_pcm_ops 895 sound/usb/misc/ua101.c static const struct snd_pcm_ops playback_pcm_ops = { playback_pcm_ops 1297 sound/usb/misc/ua101.c snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_pcm_ops);