ivtvctl: invalid option -- a
Unknown argument `(null)'
Usage:
-d, --device <dev> use device <dev> instead of /dev/video0
-h, --help display this help message
-K, --passthrough <mode>
set passthrough mode: 1 = on, 0 = off [IVTV_IOC_PASSTHROUGH]
-W, --get-vbi-passthrough
query the current VBI passthrough mode [IVTV_IOC_G_VBI_PASSTHROUGH]
-w, --set-vbi-passthrough=<mode>
set the current VBI passthrough mode to <mode> [IVTV_IOC_S_VBI_PASSTHROUGH]
<mode> is a comma separated list of:
none: no passthrough
cc: closed caption
wss: widescreen signal
vps: vps
--get-yuv-mode display the current yuv mode
--set-yuv-mode [param],[param]
set the current yuv mode
param:
mode =<#> yuv_mode 0=interlaced,1=progressive,2=auto
threshold =<#> if src_hight <= threshold treat as progressive
--reset-ir reset the infrared receiver [VIDIOC_INT_RESET]
--version shows the version number of this utility.
It should match the driver version.
Expert options:
-D, --set-debug <level>
set the module ivtv_debug variable
-E, --end-gop capture last GOP [IVTV_IOC_S_GOP_END]
-e, --get-debug query the module ivtv_debug variable
-I, --list-gpio
show GPIO input/direction/output bits
-i, --set-gpio [dir=<dir>,]val=<val>
set GPIO direction bits to <dir> and set output to <val>
-k, --sync test vsync's capabilities [IVTV_IOC_FRAMESYNC]
-R, --list-registers chip=<chip>,min=<addr>,max=<addr>
dump registers from <min> to <max> [VIDIOC_INT_G_REGISTER]
<chip> is one of: saa711x, saa7127, saa717x, cx2584x, cx2341x
-r, --set-register chip=<chip>,reg=<reg>,val=<val>
set register [VIDIOC_INT_S_REGISTER]
<chip> is one of: saa711x, saa7127, saa717x, cx2584x, cx2341x
-v, --audio-route=input=<in>,output=<out>
set the audio input/output routing [VIDIOC_INT_S_AUDIO_ROUTING]
[root@mythslave init.d]#