[Shield Android TV General] locki:
It mean when you flash bad kernel you are littlebit f**ked :) and you need flash again correct boot image ... when you only boot it withou flash it is much easy, just turn it of and on and it is fixed :)

there is my output with xbox and mygica T230 tuner

[32m[ 140.234191] [0m[33musb 1-3[0m: new high-speed USB device number 3 using tegra-xusb
[32m[ 140.254995] [0m[33musb 1-3[0m: New USB device found, idVendor=045e, idProduct=02d5
[32m[ 140.255001] [0m[33musb 1-3[0m: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[32m[ 140.255005] [0m[33musb 1-3[0m: Product: Xbox USB Tuner
[32m[ 140.255009] [0m[33musb 1-3[0m: Manufacturer: Microsoft Corp.
[32m[ 140.255013] [0m[33musb 1-3[0m: SerialNumber: 005091110615
[32m[ 140.255412] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/control 1000 1000 644
[32m[ 140.255678] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/autosuspend_delay_ms 1000 1000 644
[32m[ 140.255758] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/wakeup 1000 1000 644
[32m[ 140.265219] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/control 1000 1000 644
[32m[ 140.265385] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/autosuspend_delay_ms 1000 1000 644
[32m[ 140.265478] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/wakeup 1000 1000 644
[32m[ 140.267310] [0m[33mtype=1400 audit(1557157480.433:10672)[0m: avc: denied { write } for pid=4067 comm="Binder:4067_6" name="timerslack_ns" dev="proc" ino=25311 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267321] [0m[33mtype=1400 audit(1557157509.785:10701)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=33129 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267493] [0m[33mtype=1400 audit(1557157509.785:10701)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=33129 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267503] [0m[33mtype=1400 audit(1557157509.785:10702)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34856 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267592] [0m[33mtype=1400 audit(1557157509.785:10702)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34856 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267599] [0m[33mtype=1400 audit(1557157509.785:10703)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34858 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267676] [0m[33mtype=1400 audit(1557157509.785:10703)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34858 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267684] [0m[33mtype=1400 audit(1557157509.785:10704)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34860 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267763] [0m[33mtype=1400 audit(1557157509.785:10704)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34860 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.267771] [0m[33mtype=1400 audit(1557157509.785:10705)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34862 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 140.280731] [0m[33maudit[0m: audit_lost=10166 audit_rate_limit=20 audit_backlog_limit=64
[32m[ 140.280736] [0m[33maudit[0m[31m: rate limit exceeded[0m

https://www.linuxtv.org/wiki/index.php/Geniatech_T230

foster:/ # lsusb
Bus 001 Device 004: ID 0572:c688

[32m[ 714.250250] [0m[33musb 1-3[0m: new high-speed USB device number 4 using tegra-xusb
[32m[ 714.271011] [0m[33musb 1-3[0m: config 1 interface 0 altsetting 0 bulk endpoint 0x86 has invalid maxpacket 188
[32m[ 714.271903] [0m[33musb 1-3[0m[31m: language id specifier not provided by device, defaulting to English[0m
[32m[ 714.274855] [0m[33musb 1-3[0m: New USB device found, idVendor=0572, idProduct=c688
[32m[ 714.274873] [0m[33musb 1-3[0m: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[32m[ 714.276142] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/control 1000 1000 644
[32m[ 714.277710] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/autosuspend_delay_ms 1000 1000 644
[32m[ 714.277798] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/power/wakeup 1000 1000 644
[32m[ 714.277811] [0m[33mdvb-usb[0m: found a 'Mygica T230 DVB-T/T2/C' in warm state.
[32m[ 714.287172] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/control 1000 1000 644
[32m[ 714.287251] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/autosuspend_delay_ms 1000 1000 644
[32m[ 714.287318] [0m[33mueventd[0m: fixup /sys/devices/70090000.xusb/usb1/1-3/1-3:1.0/power/wakeup 1000 1000 644
[32m[ 714.519104] [0m[33mdvb-usb[0m: will pass the complete MPEG2 transport stream to the software demuxer.
[32m[ 714.519430] [0m[33mDVB[0m: registering new adapter (Mygica T230 DVB-T/T2/C)
[32m[ 714.534708] [0m[33mi2c i2c-7[0m: Added multiplexed i2c bus 8
[32m[ 714.534713] [0m[33msi2168 7-0064[0m: Silicon Labs Si2168-B40 successfully identified
[32m[ 714.534716] [0m[33msi2168 7-0064[0m: firmware version: B 4.0.2
[32m[ 714.536371] [0m[33msi2157 8-0060[0m: Silicon Labs Si2147/2148/2157/2158 successfully attached
[32m[ 714.536383] [0m[33musb 1-3[0m: DVB: registering adapter 0 frontend 0 (Silicon Labs Si2168)...
[32m[ 714.536765] [0m[33minput[0m: IR-receiver inside an USB DVB receiver as /devices/70090000.xusb/usb1/1-3/input/input5
[32m[ 714.536845] [0m[33mkeychord[0m: using input dev IR-receiver inside an USB DVB receiver for fevent
[32m[ 714.536847] [0m[33mdvb-usb[0m: schedule remote query interval to 100 msecs.
[32m[ 714.536931] [0m[33mdvb-usb[0m: Mygica T230 DVB-T/T2/C successfully initialized and connected.
[32m[ 714.540390] [0m[33mtype=1400 audit(1557158071.277:11805)[0m: avc: denied { write } for pid=4067 comm="android.fg" name="timerslack_ns" dev="proc" ino=115722 scontext=u:r:system_server:s0 tcontext=u:r:untrusted_app_25:s0:c512,c768 tclass=file permissive=0
[32m[ 714.540399] [0m[33mtype=1400 audit(1557158084.057:11897)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=33129 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.540754] [0m[33maudit[0m: audit_lost=11242 audit_rate_limit=20 audit_backlog_limit=64
[32m[ 714.540757] [0m[33maudit[0m[31m: rate limit exceeded[0m
[32m[ 714.541631] [0m[33mtype=1400 audit(1557158084.057:11897)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=33129 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541638] [0m[33mtype=1400 audit(1557158084.057:11898)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34856 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541733] [0m[33mtype=1400 audit(1557158084.057:11898)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34856 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541739] [0m[33mtype=1400 audit(1557158084.057:11899)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34858 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541799] [0m[33mtype=1400 audit(1557158084.057:11899)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34858 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541804] [0m[33mtype=1400 audit(1557158084.057:11900)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34860 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541862] [0m[33mtype=1400 audit(1557158084.057:11900)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34860 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
[32m[ 714.541867] [0m[33mtype=1400 audit(1557158084.057:11901)[0m: avc: denied { write } for pid=4067 comm="ActivityManager" name="timerslack_ns" dev="proc" ino=34862 scontext=u:r:system_server:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=file permissive=0
foster:/ #

Q:it looks like mygica is recongnized ... what is next step?

A:

oster:/ # dmesg | grep dvb

[ 714.277811] dvb-usb: found a 'Mygica T230 DVB-T/T2/C' in warm state.

[ 714.519104] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.

[ 714.536847] dvb-usb: schedule remote query interval to 100 msecs.

[ 714.536931] dvb-usb: Mygica T230 DVB-T/T2/C successfully initialized and connected.

[ 1367.533381] si2168 7-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'

[ 1368.323606] si2157 8-0060: loading /data/firmware/dvb-tuner-si2158-a20-01.fw failed with error -13

[ 1368.323702] si2157 8-0060: loading /data/dvb/firmware/dvb-tuner-si2158-a20-01.fw failed with error -13

[ 1368.323716] si2157 8-0060: Direct firmware load for dvb-tuner-si2158-a20-01.fw failed with error -13

drivers! :)

it download drivers automaticly ...

[ 2121.366197] dvb-usb: Mygica T230 DVB-T/T2/C successfully initialized and connected.

Q:how to start tv i have some HTS Tvheadend 4.3-905~g9bed2c7-dirty but in tuners i cant see my device :( what are next step to tune?