snd_line6_playback_ops 500 sound/usb/line6/pcm.c &snd_line6_playback_ops); snd_line6_playback_ops 392 sound/usb/line6/playback.c const struct snd_pcm_ops snd_line6_playback_ops = { snd_line6_playback_ops 26 sound/usb/line6/playback.h extern const struct snd_pcm_ops snd_line6_playback_ops;