media: omap3isp: configure entity functions

media: omap3isp: configure entity functions

For the various subdevices, set the function field.

This fixes v4l2-compliance errors:

$ v4l2-compliance -M0
v4l2-compliance 1.33.0-5410, 32 bits, 64-bit time_t
v4l2-compliance SHA: c12c89c5bd70 2025-10-05 09:58:42

Compliance test for omap3isp device /dev/media0:

Media Driver Info:
Driver name      : omap3isp
Model            : TI OMAP3 ISP
Serial           :
Bus info         : platform:480bc000.isp
Media version    : 6.17.0
Hardware revision: 0x000000f0 (240)
Driver version   : 6.17.0

Required ioctls:
test MEDIA_IOC_DEVICE_INFO: OK
test invalid ioctls: OK

Allow for multiple opens:
test second /dev/media0 open: OK
test MEDIA_IOC_DEVICE_INFO: OK
test for unlimited opens: OK

Media Controller ioctls:
fail: v4l2-test-media.cpp(108): function == MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN
fail: v4l2-test-media.cpp(196): checkFunction(ent.function, true)
test MEDIA_IOC_G_TOPOLOGY: FAIL
fail: v4l2-test-media.cpp(398): num_data_links != num_links
test MEDIA_IOC_ENUM_ENTITIES/LINKS: FAIL
test MEDIA_IOC_SETUP_LINK: OK

Total for omap3isp device /dev/media0: 8, Succeeded: 6, Failed: 2, Warnings: 0

Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>