sensor ID 能正常读到，但是使用 media-ctl -d /dev/media0 -e “rkisp1_mainpath” ，找不到可以输出的video device .这可能是什么原因？
root@kylin:/# media-ctl -p -d /dev/media0
Media controller API version 5.10.66
Media device information
driver rkcif
model rkcif-mipi-lvds2
serial
bus info
hw revision 0x0
driver version 5.10.66
Device topology
-
entity 1: stream_cif_mipi_id0 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video0
pad0: Sink
← “rockchip-mipi-csi2”:1 [ENABLED]
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 -
entity 5: stream_cif_mipi_id1 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video1
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2 [ENABLED]
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 -
entity 9: stream_cif_mipi_id2 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video2
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3 [ENABLED]
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 -
entity 13: stream_cif_mipi_id3 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video3
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4 [ENABLED]
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 -
entity 17: rkcif_scale_ch0 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video4
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5 [ENABLED]
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 -
entity 21: rkcif_scale_ch1 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video5
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6 [ENABLED]
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 -
entity 25: rkcif_scale_ch2 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video6
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7 [ENABLED]
← “rockchip-mipi-csi2”:8 -
entity 29: rkcif_scale_ch3 (1 pad, 8 links)
type Node subtype V4L flags 0
device node name /dev/video7
pad0: Sink
← “rockchip-mipi-csi2”:1
← “rockchip-mipi-csi2”:2
← “rockchip-mipi-csi2”:3
← “rockchip-mipi-csi2”:4
← “rockchip-mipi-csi2”:5
← “rockchip-mipi-csi2”:6
← “rockchip-mipi-csi2”:7
← “rockchip-mipi-csi2”:8 [ENABLED] -
entity 33: rockchip-mipi-csi2 (9 pads, 65 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev0
pad0: Sink
[fmt:UYVY8_2X8/640x480 field:none colorspace:smpte170m
crop.bounds:(0,0)/640x480
crop:(0,0)/640x480]
← “rockchip-csi2-dphy0”:1 [ENABLED]
pad1: Source
→ “stream_cif_mipi_id0”:0 [ENABLED]
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0
pad2: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0 [ENABLED]
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0
pad3: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0 [ENABLED]
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0
pad4: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0 [ENABLED]
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0
pad5: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0 [ENABLED]
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0
pad6: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0 [ENABLED]
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0
pad7: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0 [ENABLED]
→ “rkcif_scale_ch3”:0
pad8: Source
→ “stream_cif_mipi_id0”:0
→ “stream_cif_mipi_id1”:0
→ “stream_cif_mipi_id2”:0
→ “stream_cif_mipi_id3”:0
→ “rkcif_scale_ch0”:0
→ “rkcif_scale_ch1”:0
→ “rkcif_scale_ch2”:0
→ “rkcif_scale_ch3”:0 [ENABLED] -
entity 43: rockchip-csi2-dphy0 (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev1
pad0: Sink
[fmt:UYVY8_2X8/640x480@10000/600000 field:none colorspace:smpte170m]
← “m00_f_tc35874x 3-000f”:0 [ENABLED]
pad1: Source
→ “rockchip-mipi-csi2”:0 [ENABLED] -
entity 48: m00_f_tc35874x 3-000f (1 pad, 1 link)
type V4L2 subdev subtype Sensor flags 0
device node name /dev/v4l-subdev2
pad0: Source
[fmt:UYVY8_2X8/640x480@10000/600000 field:none colorspace:smpte170m]
[dv.caps:BT.656/1120 min:1x1@0 max:10000x10000@310000000 stds:CEA-861,DMT,C]
[dv.query:no-link]
[dv.current:BT.656/1120 640x480p59 (800x525) stds:CEA-861,DMT flags:has-cea]
→ “rockchip-csi2-dphy0”:0 [ENABLED]
root@kylin:/# media-ctl -d /dev/media0 -e “stream_cif”
Entity ‘stream_cif’ not found
root@kylin:/# media-ctl -d /dev/media0 -e “rkisp1_mainpath”
Entity ‘rkisp1_mainpath’ not found
root@kylin:/# media-ctl -d /dev/media0 -e “rkisp1_selfpath”
Entity ‘rkisp1_selfpath’ not found