root@rpilan:~# v4l2-ctl --device /dev/video13 --all
Driver Info:
Driver name : bcm2835-isp
Card type : bcm2835-isp
Bus info : platform:bcm2835-isp
Driver version : 5.4.189
Capabilities : 0x84200002
Video Output
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200002
Video Output
Streaming
Extended Pix Format
Media Driver Info:
Driver name : bcm2835-isp
Model : bcm2835-isp
Serial :
Bus info : platform:bcm2835-isp
Media version : 5.4.189
Hardware revision: 0x00000000 (0)
Driver version : 5.4.189
Interface Info:
ID : 0x03000008
Type : V4L Video
Entity Info:
ID : 0x00000006 (6)
Name : bcm2835-isp0-output0
Function : V4L2 I/O
Pad 0x01000007 : 0: Source
Link 0x0200000a: to remote pad 0x1000002 of entity 'bcm2835_isp0': Data, Enabled, Immutable
Priority: 2
Format Video Output:
Width/Height : 1280/1280
Pixel Format : 'BA81' (8-bit Bayer BGBG/GRGR)
Field : None
Bytes per Line : 1280
Size Image : 1638400
Colorspace : Raw
Transfer Function : Default (maps to None)
YCbCr/HSV Encoding: Default (maps to ITU-R 601)
Quantization : Default (maps to Full Range)
Flags :
Selection Video Capture: crop, Left 0, Top 0, Width 0, Height 0, Flags:
Selection Video Capture: crop_default, Left 0, Top 0, Width 1280, Height 1280, Flags:
Selection Video Capture: crop_bounds, Left 0, Top 0, Width 1280, Height 1280, Flags:
Selection Video Output: crop, Left 0, Top 0, Width 0, Height 0, Flags:
Selection Video Output: crop_default, Left 0, Top 0, Width 1280, Height 1280, Flags:
Selection Video Output: crop_bounds, Left 0, Top 0, Width 1280, Height 1280, Flags:
User Controls
red_balance 0x0098090e (int) : min=1 max=65535 step=1 default=1000 value=1000 flags=slider
blue_balance 0x0098090f (int) : min=1 max=65535 step=1 default=1000 value=1000 flags=slider
colour_correction_matrix 0x009819e1 (u8) : min=0 max=255 step=1 default=0 [88] flags=has-payload
lens_shading 0x009819e2 (u8) : min=0 max=255 step=1 default=0 [36] flags=has-payload, execute-on-write
black_level 0x009819e3 (u8) : min=0 max=255 step=1 default=0 [12] flags=has-payload
green_equalisation 0x009819e4 (u8) : min=0 max=255 step=1 default=0 [16] flags=has-payload
gamma 0x009819e5 (u8) : min=0 max=255 step=1 default=0 [136] flags=has-payload
denoise 0x009819e6 (u8) : min=0 max=255 step=1 default=0 [24] flags=has-payload
sharpen 0x009819e7 (u8) : min=0 max=255 step=1 default=0 [28] flags=has-payload
defective_pixel_correction 0x009819e8 (u8) : min=0 max=255 step=1 default=0 [8] flags=has-payload
colour_denoise 0x009819e9 (u8) : min=0 max=255 step=1 default=0 [8] flags=has-payload
Image Processing Controls
digital_gain 0x009f0905 (int) : min=1 max=65535 step=1 default=1000 value=65500
https://www.kernel.org/doc/html/v5.0/media/uapi/v4l/vidioc-queryctrl.html#c.v4l2_ctrl_type
V4L2_CTRL_TYPE_U8
V4L2_CTRL_TYPE_U16
V4L2_CTRL_TYPE_U32
V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS
V4L2_CTRL_TYPE_MPEG2_QUANTIZATION
please add support at least for _U8 , _U16 , _U32
raspbery pi platform v4l2 has options such this