Acorp Y878F Tuner проблема со звуком (All bytes are equal. It is not a TEA5767)

Настраиваю тв-тюнер Acorp Y878F. Видео отображается, а вот со звуком проблема. Драйвер ругается на то что All bytes are equal. It is not a TEA5767.
Ядро: Linux 2.6.28-gentoo.
Кусок вывода dmesg:

                      
bttv: driver version 0.9.17 loaded                                                                                            
bttv: using 4 buffers with 2080k (520 pages) each for capture                                                                 
bttv: Bt8xx card found (0).                                                                                                   
bttv 0000:05:00.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20                                                                 
bttv0: Bt878 (rev 17) at 0000:05:00.0, irq: 20, latency: 32, mmio: 0xec100000                                                 
bttv0: detected: Acorp Y878F [card=136], PCI subsystem ID is 9511:1540                                                        
bttv0: using: Acorp Y878F [card=136,insmod option]                                                                            
bttv0: gpio: en=00000000, out=00000000 in=00ffffff [init]                                                                     
bttv0: tuner type=65                                                                                                          
bttv0: i2c: checking for MSP34xx @ 0x80... not found                                                                          
bttv0: i2c: checking for TDA9875 @ 0xb0... not found
bttv0: i2c: checking for TDA7432 @ 0x8a... not found
tvaudio' 0-004b: pic16c54 (PV951) found @ 0x96 (bt878 #0 [sw])
nvidia: module license 'NVIDIA' taints kernel.
All bytes are equal. It is not a TEA5767
tuner' 0-0060: chip found @ 0xc0 (bt878 #0 [sw])
tuner-simple 0-0060: creating new instance
tuner-simple 0-0060: type set to 65 (Ymec TVF66T5-B/DFF)
tuner' 0-0061: chip found @ 0xc2 (bt878 #0 [sw])
bttv0: registered device video0
bttv0: registered device vbi0
bttv0: registered device radio0
bttv0: PLL: 28636363 => 35468950 .. ok

кусок вывода lspci -vv, в частности Bt878 Audio

05:00.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
        Subsystem: Device 9511:1540
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 32 (1000ns min, 63750ns max)
        Interrupt: pin A routed to IRQ 14
        Region 0: Memory at ec101000 (32-bit, prefetchable) [=4K]
        Capabilities: [44] Vital Product Data <?>
        Capabilities: [4c] Power Management version 2
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

опции для модуля bttv (нашел на форумах):

cat /etc/modprobe.d/bttv
options bttv radio=1 gbuffers=4 i2c_udelay=64 card=136

У меня есть сомнения в правильной работоспособности железа тюнера, хотя на audio out в тюнере звук выходит нормально.
Пожалуйста помогите разобраться с этой проблемой.

# modinfo tvaudio что

# modinfo tvaudio что интересного пишет? И в общем по моему вот эта тема очень кстати.

modinfo tvaudio

# modinfo tvaudio
filename:       /lib/modules/2.6.28-gentoo/kernel/drivers/media/video/tvaudio.ko
license:        GPL
author:         Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr
description:    device driver for various i2c TV sound decoder / audiomux chips
alias:          i2c:tvaudio
depends:        i2c-core,v4l2-common
vermagic:       2.6.28-gentoo SMP mod_unload CORE2
parm:           debug:int
parm:           force:List of adapter,address pairs to boldly assume to be present (array of short)
parm:           probe:List of adapter,address pairs to scan additionally (array of short)
parm:           ignore:List of adapter,address pairs not to scan (array of short)
parm:           tda9874a_SIF:int
parm:           tda9874a_AMSEL:int
parm:           tda9874a_STD:int
parm:           tda8425:int
parm:           tda9840:int
parm:           tda9850:int
parm:           tda9855:int
parm:           tda9873:int
parm:           tda9874a:int
parm:           tea6300:int
parm:           tea6320:int
parm:           tea6420:int
parm:           pic16c54:int
parm:           ta8874z:int

i2c_udelay=128 - проблему не решило.

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