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Description
我按照官方手册配置了tvp5150的dvp接口, 但是捕捉图像时报错。
`[root@RV1126_RV1109:/]# media-ctl -p
Media controller API version 4.19.111
Media device information
driver rkcif
model rkcif_dvp
serial
bus info
hw revision 0x0
driver version 4.19.111
Device topology
-
entity 1: stream_cif (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video0
pad0: Sink
<- "m00_b_tvp5150 2-005d":1 [ENABLED] -
entity 5: m00_b_tvp5150 2-005d (4 pads, 1 link)
type V4L2 subdev subtype Decoder flags 0
device node name /dev/v4l-subdev0
pad0: Sink
pad1: Source
[fmt:UYVY8_2X8/720x240 field:alternate colorspace:smpte170m
crop.bounds:(0,0)/720x480
crop:(0,0)/720x480]
-> "stream_cif":0 [ENABLED]
pad2: Source
pad3: Unknown -
entity 10: rkcif-dvp-sof (0 pad, 0 link)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev1 -
entity 17: rkcif-mipi-luma (0 pad, 0 link)
type Node subtype V4L flags 0
device node name /dev/video1
[root@RV1126_RV1109:/]# v4l2-ctl -d /dev/video0 --stream-mmap=3 --stream-to=/
tmp/test.yuv --stream-count=10 --stream-poll
[ 41.787211] stream_cif: update sensor info failed -22
Failed to open /dev/video0: Invalid argument
[root@RV1126_RV1109:/]#`