ivtv_s_frequency 1358 drivers/media/pci/ivtv/ivtv-driver.c ivtv_s_frequency(NULL, &fh, &vf); ivtv_s_frequency 1916 drivers/media/pci/ivtv/ivtv-ioctl.c .vidioc_s_frequency = ivtv_s_frequency, ivtv_s_frequency 20 drivers/media/pci/ivtv/ivtv-ioctl.h int ivtv_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf);