I am using legacy  Armbian_5.14_Orangepi2_Ubuntu_xenial_3.4.112.7z

and a Logitech C110 and I cannot set some params.

However I can set this in my PC under x86_64 3.13.0-91-generic.

 

Below is the output of v4l2-ctl in orangepi2.

 

Any idea?

 

$ v4l2-ctl -l --verbose

VIDIOC_QUERYCAP: ok
error 22 getting ctrl Brightness
error 22 getting ctrl Contrast
error 22 getting ctrl Saturation
error 22 getting ctrl Hue
error 22 getting ctrl White Balance Temperature, Auto
error 22 getting ctrl Gamma
error 22 getting ctrl Power Line Frequency
error 22 getting ctrl White Balance Temperature
error 22 getting ctrl Sharpness
error 22 getting ctrl Backlight Compensation
                  exposure_auto (menu)   : min=0 max=3 default=3 value=3
              exposure_absolute (int)    : min=2 max=5000 step=1 default=312 value=312
         exposure_auto_priority (bool)   : default=0 value=1
                   pan_absolute (int)    : min=-72000 max=72000 step=3600 default=0 value=0
                  tilt_absolute (int)    : min=-54000 max=54000 step=3600 default=0 value=0
                  zoom_absolute (int)    : min=1 max=2 step=1 default=1 value=1

 

did you solve this ?

Im getting the same error in Linux nanopim1plus 3.4.113-sun8i #18 SMP PREEMPT Thu Jun 15 02:16:06 CEST 2017 armv7l GNU/Linux

 

error 22 getting ctrl Brightness
error 22 getting ctrl Contrast
error 22 getting ctrl Saturation
error 22 getting ctrl Hue
error 22 getting ctrl White Balance Temperature, Auto
error 22 getting ctrl Gamma
error 22 getting ctrl Power Line Frequency
error 22 getting ctrl White Balance Temperature
error 22 getting ctrl Sharpness
                  exposure_auto (menu)   : min=0 max=3 default=3 value=3
              exposure_absolute (int)    : min=1 max=5000 step=1 default=625 value=625
error 5 getting ext_ctrl Exposure, Auto Priority
error 22 getting ctrl Brightness
error 22 getting ctrl Contrast
error 22 getting ctrl Saturation
error 22 getting ctrl Hue
error 22 getting ctrl White Balance Temperature, Auto
error 22 getting ctrl Gamma
error 22 getting ctrl Power Line Frequency
error 22 getting ctrl White Balance Temperature
error 22 getting ctrl Sharpness

 

DMESG
[  829.836823] uvcvideo: Failed to query (GET_CUR) UVC control 3 on unit 1: -32 (exp. 1).

 

Hello,

Did you eventually manage to get this solved ?

Thanks for sharing !

 

uname -a

Linux orangepizero 3.4.113-sun8i #4 SMP PREEMPT Wed Nov 22 13:45:28 CET 2017 armv7l armv7l armv7l GNU/Linux