v4l2_frequency 234 include/media/v4l2-ioctl.h struct v4l2_frequency *a); v4l2_frequency 236 include/media/v4l2-ioctl.h const struct v4l2_frequency *a); v4l2_frequency 195 include/media/v4l2-subdev.h int (*s_frequency)(struct v4l2_subdev *sd, const struct v4l2_frequency *freq); v4l2_frequency 196 include/media/v4l2-subdev.h int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); v4l2_frequency 2034 include/uapi/linux/videodev2.h #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) v4l2_frequency 2035 include/uapi/linux/videodev2.h #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)