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在i.MX8MP上移植了tc358743驱动,PC输出分辨率1920X1080@60Hz时,我们使用media-ctl --set-dv "'tc358743 1-000f':0 [fmt:"UYVY8_2X8"/"1920x1080"] -v指令,对tc358743进行初始化,能够进行正确的视频采集,但分辩率调整为1280X1024@60Hz时,没有视频流输出,但也没有。
我对比media-ctl -p的输出,和参考文章有一些不一样,我们的如下: root@canon-tiger:~# media-ctl -p Media controller API version 5.10.9 Media device information ------------------------ driver mxc-md model FSL Capture Media Device serial bus info hw revision 0x0 driver version 5.10.9 Device topology - entity 1: mxc_isi.0 (16 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 pad0: Sink <- "mxc-mipi-csi2.0":4 [ENABLED] pad1: Sink pad2: Sink pad3: Sink pad4: Sink pad5: Sink pad6: Sink pad7: Sink pad8: Sink pad9: Sink pad10: Sink pad11: Sink pad12: Source -> "mxc_isi.0.capture":0 [ENABLED] pad13: Source pad14: Source pad15: Sink - entity 18: mxc_isi.0.capture (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video0 pad0: Sink <- "mxc_isi.0":12 [ENABLED] - entity 22: mxc_isi.1 (16 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 pad0: Sink <- "mxc-mipi-csi2.0":4 [ENABLED] pad1: Sink pad2: Sink pad3: Sink pad4: Sink pad5: Sink pad6: Sink pad7: Sink pad8: Sink pad9: Sink pad10: Sink pad11: Sink pad12: Source -> "mxc_isi.1.capture":0 [ENABLED] pad13: Source pad14: Source pad15: Sink - entity 39: mxc_isi.1.capture (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video1 pad0: Sink <- "mxc_isi.1":12 [ENABLED] - entity 43: mxc-mipi-csi2.0 (8 pads, 3 links) type Node subtype V4L flags 0 device node name /dev/v4l-subdev0 pad0: Sink <- "tc358743 1-000f":0 [ENABLED,IMMUTABLE] pad1: Sink pad2: Sink pad3: Sink pad4: Source -> "mxc_isi.0":0 [ENABLED] -> "mxc_isi.1":0 [ENABLED] pad5: Source pad6: Source pad7: Source - entity 52: mxc-mipi-csi2.1 (8 pads, 0 link) type Node subtype V4L flags 0 device node name /dev/v4l-subdev1 pad0: Sink pad1: Sink pad2: Sink pad3: Sink pad4: Source pad5: Source pad6: Source pad7: Source - entity 61: tc358743 1-000f (1 pad, 1 link) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev2 pad0: Source [fmt:UYVY8_2X8/1920x1080 field:none colorspace:smpte170m] [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 1280x1024p60 (1688x1066) stds: flags:] [dv.current:BT.656/1120 1920x1080p60 (2200x1125) stds:CEA-861,DMT flags:can-reduce-fps,CE-video,has-cea861-vic] -> "mxc-mipi-csi2.0":0 [ENABLED,IMMUTABLE 除了tc358743,其他CSI和ISI节点不显示fmt,看起来比奇异。 tc358743,除了我们,还,还还哪些哪些 |
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