#  v4l2 control settings tw9910 with v4l-ctrl
#  PHYTEC 2016, V0.1

# show all v4l Controls
#  =======================
v4l2-ctl [CAM_DEVICE] --all

for example:
v4l2-ctl -d /dev/video2 --all


#  set TW9910 BRIGHTNESS
#  =====================
# range [-128...128], default = 0
v4l2-ctl -d [CAM_DEVICE] --set-ctrl=brightness=0


#  set TW9910 CONTRAST
#  ===================
# range [0...255], default 100
v4l2-ctl -d [CAM_DEVICE] --set-ctrl=contrast=100


#  set MT9M131 GLOBAL HUE (ONLY FOR NTSC)
#  ======================================
# range [-128...128], default = 0
v4l2-ctl -d [CAM_DEVICE] --set-ctrl=hue=0
