snd_usb_set_sample_rate_v2v3
cur_rate = snd_usb_set_sample_rate_v2v3(chip, fmt, clock, rate);
int snd_usb_set_sample_rate_v2v3(struct snd_usb_audio *chip,
err = snd_usb_set_sample_rate_v2v3(chip, fp, clock,