but cam as .5 degree resolution, hence devide by 200. Also 
but cam as .5 degree resolution, hence divide by 200. Also 
static inline int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt){	unsigned char buf[4];		/* set new relative angle; angles are expressed in degrees * 100,	   but cam as .5 degree resolution, hence devide by 200. Also	   the angle must be multiplied by 64 before it's send to	   the cam (??)	 */	pan  =  64 * pan  / 100;	tilt = -64 * tilt / 100; /* positive tilt is down, which is not what the user would expect */	buf[0] = pan & 0xFF;	buf[1] = (pan >> 8) & 0xFF;	buf[2] = tilt & 0xFF;	buf[3] = (tilt >> 8) & 0xFF;	return SendControlMsg(SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, 4);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/093cf723b2b06d774929ea07982f6a466ff22314/pwc-ctrl.c/clean/drivers/usb/media/pwc/pwc-ctrl.c