Some additional config files that seem to be important:
add rules for video group to access dma heaps
$ cat /usr/lib/udev/rules.d/90-libcamera.rules
SUBSYSTEM=="dma_heap",GROUP="video",MODE="0660"
0010-ipa-simple-Add-tuning-file-for-hi846.patch
$ cat /usr/share/libcamera/ipa/simple/hi846.yaml
# SPDX-License-Identifier: CC0-1.0
%YAML 1.1
---
version: 1
algorithms:
- BlackLevel:
blackLevel: 4096
- Awb:
- Lut:
- Agc:
...
0009-ipa-simple-Add-tuning-file-for-s5k3l6xx.patch
$ cat /usr/share/libcamera/ipa/simple/s5k3l6xx.yaml
# SPDX-License-Identifier: CC0-1.0
%YAML 1.1
---
version: 1
algorithms:
- BlackLevel:
blackLevel: 4096
- Awb:
- Lut:
- Agc:
...