brightness (int) : min=-64 max=64 step=1 default=0
value=0
contrast (int) : min=0 max=64 step=1 default=32
value=32
saturation (int) : min=0 max=128 step=1 default=64
value=64
hue (int) : min=-40 max=40 step=1 default=0
value=0
white_balance_temperature_auto (bool) : default=1 value=1
gamma (int) : min=72 max=500 step=1
default=100 value=100
gain (int) : min=0 max=100 step=1 default=0
value=0
power_line_frequency (menu) : min=0 max=2 default=1 value=1
white_balance_temperature (int) : min=2800 max=6500 step=1
default=4600 value=4600 flags=inactive
sharpness (int) : min=0 max=6 step=1 default=3
value=3
backlight_compensation (int) : min=0 max=2 step=1 default=1
value=1
exposure_auto (menu) : min=0 max=3 default=3 value=1
exposure_absolute (int) : min=1 max=5000 step=1
default=157 value=157
exposure_auto_priority (bool) : default=0 value=1
brightness (int) : min=-64 max=64 step=1 default=0
value=0
contrast (int) : min=0 max=64 step=1 default=32
value=32
saturation (int) : min=0 max=128 step=1 default=64
value=64
hue (int) : min=-40 max=40 step=1 default=0
value=0
white_balance_temperature_auto (bool) : default=1 value=1
gamma (int) : min=72 max=500 step=1
default=100 value=100
gain (int) : min=0 max=100 step=1 default=0
value=0
power_line_frequency (menu) : min=0 max=2 default=1 value=1
white_balance_temperature (int) : min=2800 max=6500 step=1
default=4600 value=4600 flags=inactive
sharpness (int) : min=0 max=6 step=1 default=3
value=3
backlight_compensation (int) : min=0 max=2 step=1 default=1
value=1
root@beaglebone:/var/lib/cloud9# v4l2-ctl --device=/dev/video0
--set-ctrl=exposure_auto=0
VIDIOC_S_EXT_CTRLS: failed: Invalid argument
Error setting controls: Invalid argument
root@beaglebone:/var/lib/cloud9# v4l2-ctl --device=/dev/video0
--set-ctrl=exposure_auto=6
VIDIOC_S_EXT_CTRLS: failed: Numerical result out of range
Error setting controls: Numerical result out of range
root@beaglebone:/var/lib/cloud9# v4l2-ctl --device=/dev/video0
--set-ctrl=exposure_auto=4
VIDIOC_S_EXT_CTRLS: failed: Numerical result out of range
Error setting controls: Numerical result out of range
root@beaglebone:/var/lib/cloud9# v4l2-ctl --device=/dev/video0
--set-ctrl=exposure_auto=3
root@beaglebone:/var/lib/cloud9# v4l2-ctl --device=/dev/video0
--set-ctrl=exposure_auto=3
>
>
>
--
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