74 	struct { /* exposure/min_clockdiv control cluster */
75 		struct v4l2_ctrl *exposure;  member
699 			/* Reg 3 msb and 4 is lsb of the exposure setting*/  in start_vga_cam()
811 	int exposure = MR97310A_EXPOSURE_DEFAULT;  in setexposure()  local
815 		/* This cam does not like exposure settings < 300,  in setexposure()
817 		exposure = (expo * 9267) / 10000 + 300;  in setexposure()
818 		sensor_write1(gspca_dev, 3, exposure >> 4);  in setexposure()
819 		sensor_write1(gspca_dev, 4, exposure & 0x0f);  in setexposure()
821 		exposure = expo;  in setexposure()
822 		exposure >>= 3;  in setexposure()
823 		sensor_write1(gspca_dev, 3, exposure >> 8);  in setexposure()
824 		sensor_write1(gspca_dev, 4, exposure & 0xff);  in setexposure()
826 		/* We have both a clock divider and an exposure register.  in setexposure()
828 		   the maximum exposure and then we calculate the exposure  in setexposure()
831 		   Note our 0 - 4095 exposure is mapped to 0 - 511  in setexposure()
832 		   milliseconds exposure time */  in setexposure()
844 		/* Frame exposure time in ms = 1000 * clockdiv / 60 ->  in setexposure()
845 		exposure = (sd->exposure / 8) * 511 / (1000 * clockdiv / 60) */  in setexposure()
846 		exposure = (60 * 511 * expo) / (8000 * clockdiv);  in setexposure()
847 		if (exposure > 511)  in setexposure()
848 			exposure = 511;  in setexposure()
850 		/* exposure register value is reversed! */  in setexposure()
851 		exposure = 511 - exposure;  in setexposure()
853 		buf[0] = exposure & 0xff;  in setexposure()
854 		buf[1] = exposure >> 8;  in setexposure()
900 		setexposure(gspca_dev, sd->exposure->val,  in sd_s_ctrl()
990 		sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,  in sd_init_controls()
1001 		v4l2_ctrl_cluster(2, &sd->exposure);  in sd_init_controls()