[Shield Android TV General] locki:
boot only:

c:\adb>fastboot boot boot_7.2.3_foster_userdebug.img

downloading 'boot.img'...

OKAY [ 0.531s]

booting...

OKAY [ 0.004s]

finished. total time: 0.539s

check kernel:

foster:/ # uname -r

4.9.109-tegra-g2dafed3-dirty

after connection usb tuners:

[32m[ 587.382218] [0m[33musb 1-3[0m: new high-speed USB device number 4 using tegra-xusb
[32m[ 587.402627] [0m[33musb 1-3[0m: config 1 interface 0 altsetting 0 bulk endpoint 0x86 has invalid maxpacket 188
[32m[ 587.403209] [0m[33musb 1-3[0m[31m: language id specifier not provided by device, defaulting to English[0m
[32m[ 587.405027] [0m[33musb 1-3[0m: New USB device found, idVendor=0572, idProduct=c688
[32m[ 587.405034] [0m[33musb 1-3[0m: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[32m[ 587.405422] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/control 1000 1000 644
[32m[ 587.406882] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/autosuspend_delay_ms 1000 1000 644
[32m[ 587.406964] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/wakeup 1000 1000 644
[32m[ 587.407035] [0m[33mdvb-usb[0m: found a 'Mygica T230 DVB-T/T2/C' in warm state.
[32m[ 587.417402] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/control 1000 1000 644
[32m[ 587.417501] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/autosuspend_delay_ms 1000 1000 644
[32m[ 587.417579] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/wakeup 1000 1000 644
[32m[ 587.650564] [0m[33mdvb-usb[0m: will pass the complete MPEG2 transport stream to the software demuxer.
[32m[ 587.650748] [0m[33mDVB[0m: registering new adapter (Mygica T230 DVB-T/T2/C)
[32m[ 587.659090] [0m[33mi2c i2c-7[0m: Added multiplexed i2c bus 8
[32m[ 587.659096] [0m[33msi2168 7-0064[0m: Silicon Labs Si2168-B40 successfully identified
[32m[ 587.659099] [0m[33msi2168 7-0064[0m: firmware version: B 4.0.2
[32m[ 587.660776] [0m[33msi2157 8-0060[0m: Silicon Labs Si2147/2148/2157/2158 successfully attached
[32m[ 587.660793] [0m[33musb 1-3[0m: DVB: registering adapter 0 frontend 0 (Silicon Labs Si2168)...
[32m[ 587.661255] [0m[33minput[0m: IR-receiver inside an USB DVB receiver as /devices/70090000.xusb/usb1/1-3/input/input6
[32m[ 587.661442] [0m[33mkeychord[0m: using input dev IR-receiver inside an USB DVB receiver for fevent
[32m[ 587.661445] [0m[33mdvb-usb[0m: schedule remote query interval to 100 msecs.
[32m[ 587.661539] [0m[33mdvb-usb[0m: Mygica T230 DVB-T/T2/C successfully initialized and connected.
[32m[ 587.671529] [0m[33mtype=1400 audit(1557254238.817:13451)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_18" name="timerslack_ns" dev="proc" ino=124347 scontext=u:r:system_server:s0 tcontext=u:r:untrusted_app:s0:c512,c768 tclass=file permissive=0
[32m[ 587.671538] [0m[33mtype=1400 audit(1557254426.169:13482)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=124294 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.671686] [0m[33mtype=1400 audit(1557254426.169:13482)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=124294 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.671692] [0m[33mtype=1400 audit(1557254426.169:13483)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126000 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.671753] [0m[33mtype=1400 audit(1557254426.169:13483)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126000 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.671759] [0m[33mtype=1400 audit(1557254426.169:13484)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126002 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.672187] [0m[33mtype=1400 audit(1557254426.169:13484)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126002 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.672194] [0m[33mtype=1400 audit(1557254426.169:13485)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126004 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.672465] [0m[33mtype=1400 audit(1557254426.169:13485)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126004 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.672472] [0m[33mtype=1400 audit(1557254426.169:13486)[0m: avc: denied { write } for pid=4021 comm="Binder:4021_D" name="timerslack_ns" dev="proc" ino=126006 scontext=u:r:system_server:s0 tcontext=u:r:system_app:s0 tclass=file permissive=0
[32m[ 587.674310] [0m[33maudit[0m: audit_lost=12790 audit_rate_limit=20 audit_backlog_limit=64
[32m[ 587.674313] [0m[33maudit[0m[31m: rate limit exceeded[0m

foster:/ # ls /data/dvb/

dvb-demod-mn88472-02.fw dvb-demod-si2168-b40-01.fw dvb-tuner-si2158-a20-01.fw dvb-usb-dib0700-1.20.fw firmware hts tvheadend tvheadend.out

foster:/ # ls /data/firmware/

dvb-demod-mn88472-02.fw dvb-demod-si2168-b40-01.fw dvb-tuner-si2158-a20-01.fw dvb-usb-dib0700-1.20.fw

It looks like tuner is correctly recognized, but i still cant see any tuner in web if i have correct tvheaderd backend ....

what are next step ?