snd_us16x08_comp_gain_ctl 855 sound/usb/mixer_us16x08.c static struct snd_kcontrol_new snd_us16x08_comp_gain_ctl = { snd_us16x08_comp_gain_ctl 1210 sound/usb/mixer_us16x08.c .kcontrol_new = &snd_us16x08_comp_gain_ctl,