snd_line6_trigger 254 sound/usb/line6/capture.c .trigger = snd_line6_trigger, snd_line6_trigger 184 sound/usb/line6/pcm.h extern int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd); snd_line6_trigger 399 sound/usb/line6/playback.c .trigger = snd_line6_trigger,