| Subject | Re: [PATCH v3 00/24] i.MX Media Driver | From | Steve Longerbeam <> | Date | Mon, 30 Jan 2017 17:22:01 -0800 |
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On 01/30/2017 04:45 PM, Russell King - ARM Linux wrote: > > Hi, > > Trying this driver with an imx219 camera (which works with Philipp's > driver) results in not much happening... no /dev/media* node for it, > no subdevs, no nothing. No clues as to what's missing either. Only > messages from imx-media are from registering the various subdevs. > > [ 37.444877] imx-media: Registered subdev imx6-mipi-csi2 > [ 37.444973] imx-media: Registered subdev imx219 0-0010 > [ 38.868740] imx-media: Registered subdev ipu1_ic_prpenc > [ 38.869265] imx-media: Registered subdev ipu1_ic_prpvf > [ 38.869425] imx-media: Registered subdev ipu1_ic_pp0 > [ 38.870086] imx-media: Registered subdev ipu1_ic_pp1 > [ 38.871510] imx-media: Registered subdev ipu2_ic_prpenc > [ 38.871743] imx-media: Registered subdev ipu1_smfc0 > [ 38.873043] imx-media: Registered subdev ipu1_smfc1 > [ 38.873225] imx-media: Registered subdev ipu2_ic_prpvf > [ 38.875027] imx-media: Registered subdev ipu2_smfc0 > [ 38.875320] imx-media: Registered subdev ipu2_ic_pp0 > [ 38.877148] imx-media: Registered subdev ipu2_smfc1 > [ 38.877436] imx-media: Registered subdev ipu2_ic_pp1 > [ 38.932089] imx-media: Registered subdev camif0 > [ 38.956538] imx-media: Registered subdev camif1 > [ 38.959148] imx-media: Registered subdev camif2 > [ 38.964353] imx-media: Registered subdev camif3 > [ 206.502077] imx-media: Registered subdev ipu1_csi0 > [ 206.503304] imx-media: Registered subdev ipu1_csi1 > [ 206.503814] imx-media: Registered subdev ipu2_csi0 > [ 206.504281] imx-media: Registered subdev ipu2_csi1 > > I also get: > > [ 37.200072] imx6-mipi-csi2: data lanes: 2 > [ 37.200077] imx6-mipi-csi2: flags: 0x00000200 > > and from what I can see, all modules from drivers/staging/media/imx/ are > loaded (had to load imx-csi by hand because of the brokenness in the > drivers/gpu/ipu code attaching an device_node pointer after registering > the platform device, which changes what userspace sees in the modalias > file.) > > Any clues at what to look at?
Hi Russell,
I'm not familiar with IMX219, can you send me the source for the imx219 subdev? I don't see it in 4.10-rc1.
I'm also having trouble finding a datasheet for it, but from what I've read, it has a MIPI CSI-2 interface. It should work fine as long as it presents a single source pad, registers asynchronously, and sets its entity function to MEDIA_ENT_F_CAM_SENSOR.
Since I see it was registered asynchronously from the above, it must have been added to the device tree. But given that there is no /dev/media? node, the media driver is probably waiting for another subdev to register, I don't know what that would be.
Can you send me the full patch on top of the v3 driver and I'll try to find what's missing.
Edit: I see a subdev that is missing: the video mux. Did you enable CONFIG_VIDEO_MULTIPLEXER?
Finally, what platform does this IMX219 sensor module plug into?
Steve
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