topic Re: ADV7180 probing issue in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/ADV7180-probing-issue/m-p/925939#M139033 <HTML><HEAD></HEAD><BODY><P>Hi Purvi</P><P></P><P>if ADV180 decoder worked&nbsp; fine with v4l2_tvin.out probably </P><P>there are problems with image, one can try to rebuild all from scratch</P><P>including <SPAN style="color: #1d1c1d; background-color: #f8f8f8;">opencv application</SPAN>.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 13 Sep 2019 23:25:40 GMT igorpadykov 2019-09-13T23:25:40Z ADV7180 probing issue https://community.nxp.com/t5/i-MX-Processors/ADV7180-probing-issue/m-p/925938#M139032 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">Working on i.Mx6q based custom board. The kernel log shows following,</SPAN><BR style="color: #1d1c1d; background-color: #f8f8f8;" /></P><P></P><P><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">V4L2 device 'Mxc Camera' on IPU1_CSI0 registered as video0</SPAN><BR style="color: #1d1c1d; background-color: #f8f8f8;" /><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">ERROR: v4l2 capture: slave not found!</SPAN><BR style="color: #1d1c1d; background-color: #f8f8f8;" /></P><P></P><P><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">The ADV180 decoder worked when /unit_test/mxc_v4l2_tvin.out<SPAN>&nbsp;</SPAN></SPAN><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">&nbsp;</SPAN><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">run through command line. The video displayed on the screen. When simple opencv application of capturing video run, shows following error.</SPAN><BR style="color: #1d1c1d; background-color: #f8f8f8;" /><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">ERROR: v4l2 capture: slave not found!</SPAN></P><P></P><P><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">Thanks and Regards,</SPAN></P><P><SPAN style="color: #1d1c1d; background-color: #f8f8f8;">Purvi Billore</SPAN></P></BODY></HTML> Fri, 13 Sep 2019 15:36:31 GMT https://community.nxp.com/t5/i-MX-Processors/ADV7180-probing-issue/m-p/925938#M139032 purvi_billore1 2019-09-13T15:36:31Z Re: ADV7180 probing issue https://community.nxp.com/t5/i-MX-Processors/ADV7180-probing-issue/m-p/925939#M139033 <HTML><HEAD></HEAD><BODY><P>Hi Purvi</P><P></P><P>if ADV180 decoder worked&nbsp; fine with v4l2_tvin.out probably </P><P>there are problems with image, one can try to rebuild all from scratch</P><P>including <SPAN style="color: #1d1c1d; background-color: #f8f8f8;">opencv application</SPAN>.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 13 Sep 2019 23:25:40 GMT https://community.nxp.com/t5/i-MX-Processors/ADV7180-probing-issue/m-p/925939#M139033 igorpadykov 2019-09-13T23:25:40Z