Hello,all: I have any questions for getting BGR(8:8:8) image data by my BT878 PC104 card. 1: How I know my v4l2 is working? I can't use X window on my graphics chip and framebuffer in currently environment. frambuffer is competent for it? xawtv tell me it can't display. 2: root# ./tuner: /dev/i2c-0 /0xC0/210.25MHz... write: rc=-1,error=Remote I/O error. root# ./ir Remote I/O error. this is proc/pci infomation. The ioports infomation is suited. Bus 0,device 12,function 0: Multimedia video controller:Brooktree lorporation bt878(rev 17) IRQ 9 Master capable catency=32.Min Gnt=16.Max Lat=40 Prefetchable 32 bit memory at 0xee000000[0xee000fff] Function 1: Gnt=4.Max Lat=255 memory at 0xee001000[0xee001fff] Can any suggestive idea? thanks Fulai Zeng ---------------------------------------------- ÉÏ´«ÃÀÀö»áÔ±ö¦ÕÕ£¬Ó®È¡F4Ñݳª»áÃÅƱ http://sms.21cn.com/f4/index.html רҵ×ã²ÊÐÅÏ¢£¬¾ÍÊÇÕâôºÃ²ÊÓ®²¨£¡ http://sms.21cn.com/europe.jsp 3ÕÛÈÈÂô¼´½«½ØÖ¹£¬ÂíÉÏÐж¯£¡ http://mail.21cn.com/huodong/9yue/ 21CNÈ«ÐÂÍøÂçÓ²ÅÌÉÁÁÁµÇ³¡ http://mail.21cn.com/huodong/11yue/