3.4 mxc_v4l_open函数分析
下面就来分析这个mxc_v4l_open函数：static int mxc_v4l_open(struct file *file) { struct v4l2_ifparm ifparm; struct v4l2_format cam_fmt; ipu_csi_signal_cfg_t csi_param; struct video_device *dev = video_d
