The out put of "v4l2-ctl -d /dev/video0 -l"
User Controls
brightness 0x00980900 (int) : min=-64 max=64 step=1
default=0 value=0
contrast 0x00980901 (int) : min=0 max=64 step=1
default=32 value=32
saturation 0x00980902 (int) : min=0 max=128 step=1
default=67 value=67
hue 0x00980903 (int) : min=-40 max=40 step=1
default=0 value=0
white_balance_automatic 0x0098090c (bool) : default=1 value=1
gamma 0x00980910 (int) : min=72 max=150 step=1
default=110 value=110
gain 0x00980913 (int) : min=0 max=80 step=1
default=0 value=0
power_line_frequency 0x00980918 (menu) : min=0 max=2 default=2
value=2 (60 Hz)
white_balance_temperature 0x0098091a (int) : min=2800 max=6500 step=1
default=4600 value=4600 flags=inactive
sharpness 0x0098091b (int) : min=0 max=6 step=1
default=3 value=3
backlight_compensation 0x0098091c (int) : min=0 max=2 step=1
default=1 value=1
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https://bugs.launchpad.net/bugs/2063828
Title:
v4l-utils failed to flip upside down webcam.
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