https://community.nxp.com/t5/i-MX-Processors/How-to-send-dsi-command-via-sys-device-node/m-p/1734138#M213596 <P>Hi,</P><P>I would like to send DSI commands to sys device node<BR /><BR />For example in other platform&nbsp;<BR /><SPAN>we can send the commands below to get&nbsp;<BR /></SPAN><SPAN>echo 0x01 0x06 0x01 0x00 0x01 0x00 0x00 0x01 0xDA &gt; /d/dri/0/DSI-1/rx_cmd<BR /></SPAN><SPAN>cat /d/dri/0/dri/0/DSI-1/rx_cmd</SPAN></P><P><SPAN>In iMX8 iMX9 platform, where is the rootfs device node ?</SPAN></P><P><SPAN>BR,<BR />Patrick</SPAN></P> Thu, 05 Oct 2023 09:20:06 GMT boyiliao 2023-10-05T09:20:06Z https://community.nxp.com/t5/i-MX-Processors/How-to-send-dsi-command-via-sys-device-node/m-p/1734138#M213596 <P>Hi,</P><P>I would like to send DSI commands to sys device node<BR /><BR />For example in other platform&nbsp;<BR /><SPAN>we can send the commands below to get&nbsp;<BR /></SPAN><SPAN>echo 0x01 0x06 0x01 0x00 0x01 0x00 0x00 0x01 0xDA &gt; /d/dri/0/DSI-1/rx_cmd<BR /></SPAN><SPAN>cat /d/dri/0/dri/0/DSI-1/rx_cmd</SPAN></P><P><SPAN>In iMX8 iMX9 platform, where is the rootfs device node ?</SPAN></P><P><SPAN>BR,<BR />Patrick</SPAN></P> Thu, 05 Oct 2023 09:20:06 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-send-dsi-command-via-sys-device-node/m-p/1734138#M213596 boyiliao 2023-10-05T09:20:06Z