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ros noetic camer_controls, permission denied issue #370

@flyingKangaroo1

Description

@flyingKangaroo1

[WARN] [1753781816.981944443]: Unsupported type descriptor (6) for V4L control 'camera_controls'. This parameter cannot be set via ROS. Please consider to set this parameter via 3rd party controller application

Video4linux: Setting up auxiliary camera parameters
Video4linux: error setting camera parameter: 'white_balance_temperature: Permission denied
VIDIOC_S_CTRL: failed: Permission denied
'
Video4linux: cannot set V4L control white_balance_temperature
Video4linux: error setting camera parameter: 'unknown control 'camera_controls'
'
Video4linux: cannot set V4L control camera_controls
Video4linux: error setting camera parameter: 'Error setting controls: Permission denied
VIDIOC_S_EXT_CTRLS: failed: Permission denied
'
Video4linux: cannot set V4L control exposure_time_absolute
Video4Linux: IOCTL is not supported
Video4linux: Querying V4L2 driver for available controls (register base 0x980900, 0..99)
Sorting control names:
focus_automatic_continuous
auto_exposure
white_balance_automatic
brightness
contrast
saturation
gain
power_line_frequency
white_balance_temperature
sharpness
backlight_compensation
camera_controls
exposure_time_absolute
exposure_dynamic_framerate
pan_absolute
tilt_absolute
focus_absolute
zoom_absolute
[WARN] [1753781817.029712879]: NOTE: the parameters generated for V4L intrinsic camera controls will be placed under namespace 'intrinsic_controls'

[INFO] [1753781817.029768671]: Use 'intrinsic_controls/ignore' list to enumerate the controls provoking errors or the ones you just want to keep untouched

I am getting these errors and was wondering if features like camera_control are unsupported in the usb_cam package or are they just permission issues. Thank you

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