6,181
edits
Changes
Jump to navigation
Jump to search
<syntaxhighlight lang="python" line highlight="63-65,85-87"> blikvm@blikvm:~ $ media-ctl -d /dev/media0 -p Media controller API version 6.1.63 Media device information ------------------------ driver rp1-cfe model rp1-cfe serial bus info platform:1f00128000.csi hw revision 0x114666 driver version 6.1.63 Device topology - entity 1: csi2 (8 pads, 8 links) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev0 pad0: Sink [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] <- "tc358743 4-000f":0 [ENABLED,IMMUTABLE] pad1: Sink [fmt:unknown/8192x1 field:none] pad2: Sink [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] pad3: Sink [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] pad4: Source [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "rp1-cfe-csi2_ch0":0 [] -> "pisp-fe":0 [] pad5: Source [fmt:unknown/8192x1 field:none] -> "rp1-cfe-embedded":0 [] pad6: Source [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "rp1-cfe-csi2_ch2":0 [] -> "pisp-fe":0 [] pad7: Source [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "rp1-cfe-csi2_ch3":0 [] -> "pisp-fe":0 [] - entity 10: pisp-fe (5 pads, 7 links) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev1 pad0: Sink [fmt:SRGGB16_1X16/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] <- "csi2":4 [] <- "csi2":6 [] <- "csi2":7 [] pad1: Sink [fmt:FIXED/8192x1 field:none] <- "rp1-cfe-fe_config":0 [] pad2: Source [fmt:SRGGB16_1X16/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "rp1-cfe-fe_image0":0 [] pad3: Source [fmt:SRGGB16_1X16/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "rp1-cfe-fe_image1":0 [] pad4: Source [fmt:FIXED/8192x1 field:none] -> "rp1-cfe-fe_stats":0 [] - entity 16: tc358743 4-000f (1 pad, 1 link) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev2 pad0: Source [fmt:RGB888_1X24/640x480 field:none colorspace:srgb] [dv.caps:BT.656/1120 min:640x350@13000000 max:1920x1200@165000000 stds:CEA-861,DMT,CVT,GTF caps:progressive,reduced-blanking,custom] [dv.detect:BT.656/1120 1920x1080p24 (2750x1125) stds: flags:] [dv.current:BT.656/1120 640x480p59 (800x525) stds:CEA-861,DMT flags:has-cea861-vic] -> "csi2":0 [ENABLED,IMMUTABLE] - entity 18: rp1-cfe-csi2_ch0 (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video0 pad0: Sink <- "csi2":4 [] - entity 22: rp1-cfe-embedded (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video1 pad0: Sink <- "csi2":5 [] - entity 26: rp1-cfe-csi2_ch2 (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video2 pad0: Sink <- "csi2":6 [] - entity 30: rp1-cfe-csi2_ch3 (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video3 pad0: Sink <- "csi2":7 [] - entity 34: rp1-cfe-fe_image0 (1 pad, 1 link) type Node subtype V4L flags 1 device node name /dev/video4 pad0: Sink <- "pisp-fe":2 [] - entity 38: rp1-cfe-fe_image1 (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video5 pad0: Sink <- "pisp-fe":3 [] - entity 42: rp1-cfe-fe_stats (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video6 pad0: Sink <- "pisp-fe":4 [] - entity 46: rp1-cfe-fe_config (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video7 pad0: Source -> "pisp-fe":1 []</syntaxhighlight>
no edit summary
Note: The '''/dev/media0''' here comes from the media number obtained in the previous step.
4. To query the current input source information, if the resolution displays as 0, it indicates that no input source signal has been detected. In this case, you should check the hardware connections and follow the steps mentioned above to troubleshoot.