Dvb-s tuner not recognized - S905d gtmedia gts GS5DD31-W

Hi.
I have the gtmedia gts GS5DD31-W with S905d chip. It has a builtin dvb-s2 tuner.
Evertything works except the dvb tuner. I can’t see any card in tvheadend.

My configuration:
CoreELEC-Amlogic-ng.arm-20.5-Nexus-Generic.img.gz
gxl_p231_2g

dmesg output in coreelec:

dvb_meson dvb: Checking for Sony CXD2841ER DVB-C/T/T2 demod ...
[   22.285713@1]- i2c i2c-1: cxd2841er_attach(): I2C adapter 00000000eaa76f88 SLVX addr 6e SLVT addr 6c
[   22.286075@1]- i2c i2c-1: cxd2841er_attach(): invalid chip ID 0x90
[   19.854601@1]- dvb_meson dvb: Checking for Availink AVL6862 DVB-S2/T2/C demod ...
[   19.854746@1]- i2c i2c-1: dvb_meson: i2c wr failed=-6 len=3
[   19.854825@1]- i2c i2c-1: dvb_meson: i2c rd failed=-6 len=4
[   19.854891@1]- i2c i2c-1: dvb_meson: i2c wr failed=-6 len=3
[   19.854955@1]- i2c i2c-1: dvb_meson: i2c rd failed=-6 len=4
[   19.854961@1]- i2c i2c-1: dvb_meson: attach failed reading id
[   19.854969@1]- dvb_meson dvb: Failed to find AVL6862 demod!
[   20.301791@3]- wol_reg12[12]==0, error

...

[   21.069705@3]- dvb_meson dvb: Checking for AVL6211 DVB-S/S2 demod ...
[   21.069794@3]- i2c i2c-1: i2c wr failed=-6
[   21.069799@3]- dvb_meson dvb: Failed to find AVL6211 demod!

...

[   22.285698@1]- dvb_meson dvb: Checking for Sony CXD2841ER DVB-C/T/T2 demod ...
[   22.285713@1]- i2c i2c-1: cxd2841er_attach(): I2C adapter 00000000eaa76f88 SLVX addr 6e SLVT addr 6c
[   22.285784@1]- i2c i2c-1: dvb_meson: i2c wr failed=-6 addr=6c reg=00 len=1
[   22.286075@1]- i2c i2c-1: cxd2841er_attach(): invalid chip ID 0x90
[   22.286082@1]- dvb_meson dvb: Failed to find Sony CXD2841ER demod!
[   22.286086@1]- dvb_meson dvb: Total DVB modules found: 0
[   22.286428@2]- mali-utgard d00c0000.mali: set min pp to default 1
[   22.286436@2]- mali-utgard d00c0000.mali: set min clk default to 0
[   22.286543@2]- mali-utgard d00c0000.mali: max clk set 2
[   22.286549@2]- mali-utgard d00c0000.mali: turbo clk set to 3
[   22.291339@3]- thermal thermal_zone0: binding zone soc_thermal with cdev thermal-gpufreq-0 failed:-22
[   22.291350@3]- gpu cooling register okay with err=0
[   22.294008@3]- gpu core cooling register okay with err=0
[   22.294373@3]- Mali: Mali device driver loaded
[   22.300129@1]- dvbdev: DVB: registering new adapter (dvb_meson)
[   22.311670@3]- Meson DVB frontend(s) registered successfully.


In stock Android 6 (where it works) I get:

[    3.548111@2] aml dvb init
[    3.550331@2] DVB: probe amlogic dvb driver
[    3.554364@2] DVB: dmx rst ctl = ffffffc0653679c0
[    3.558972@2] DVB: asyncfifo rst ctl = ffffffc065367480
[    3.564177@2] DVB: ahbarb0 rst ctl = ffffffc065012000
[    3.569150@2] DVB: uparsertop rst ctl = ffffffc065012080
[    3.574431@2] DVB: ts0: parallel
[    3.577664@2] DVB: ts0_control: 0x0
[    3.581052@2] DVB: registering new adapter (amlogic-dvb)
[    3.586939@2] DVB: demux init
[    3.589304@2] soft reset index = 0, pid = 8191
[    3.594148@2] DVB: demux init
[    3.597051@2] DVB: demux init
[    3.599688@2] DVB: async fifo 0 buf size 481280, flush size 60160
[    3.605721@2] DVB: async fifo 1 buf size 481280, flush size 60160
[    3.612373@2] FE: cannot find resource "tuner0"
[    3.616069@2] FE: cannot find resource "atv_demod0"
[    3.620920@2] FE: cannot find resource "tuner1"
[    3.625424@2] input input1: key 116 up
[    3.629101@2] FE: cannot find resource "atv_demod1"
[    3.633939@2] FE: cannot find resource "dtv_demod1"
[    3.638763@2] amlogic-dvb dvb.51: DVB: registering adapter 0 frontend 0 ()...
[    3.646328@2] Amlogic Demod DVB-T/C DebugIF Init
[    3.650574@2] Amlogic Demod DVB-T/C DebugIF Init ok----------------

...

[   35.031103@3] type=1400 audit(1713632111.662:14): avc: denied { write } for pid=5459 comm="oscam" name="dvb0.demux0" dev="tmpfs" ino=9617 scontext=u:r:init:s0 tcontext=u:object_r:video_device:s0 tclass=chr_f
ile permissive=1
[   35.034207@1] soft reset index = 2, pid = 8191
[   35.035125@3] type=1400 audit(1713632111.672:15): avc: denied { ioctl } for pid=5459 comm="oscam" path="/dev/dvb0.dsc0" dev="tmpfs" ino=9620 ioctlcmd=6f83 scontext=u:r:init:s0 tcontext=u:object_r:video_devic
e:s0 tclass=chr_file permissive=1

...

[  627.920208@0] type=1400 audit(1713632704.561:40): avc: denied { write } for pid=5459 comm="oscam" name="dvb0.demux0" dev="tmpfs" ino=9617 scontext=u:r:init:s0 tcontext=u:object_r:video_device:s0 tclass=chr_f
ile permissive=1
[  627.920363@0] type=1400 audit(1713632704.561:41): avc: denied { ioctl } for pid=5459 comm="oscam" path="/dev/dvb0.demux0" dev="tmpfs" ino=9617 ioctlcmd=6f2b scontext=u:r:init:s0 tcontext=u:object_r:video_dev
ice:s0 tclass=chr_file permissive=1


I have the TBS cat driver installed and the linux kernel driver addon.

What can I do?
Thank you in advance for your help.

Greetings
Daniel