Re: Linux 2.6.11-rc3 - BT848 no signal

From: Markus Trippelsdorf (markus_at_trippelsdorf.de)
Date: 02/03/05

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    To: Linus Torvalds <torvalds@osdl.org>
Date:	Thu, 03 Feb 2005 06:19:47 +0100

    On Wed, 2005-02-02 at 18:35 -0800, Linus Torvalds wrote:

    > I'd _really_ like to calm down for a final 2.6.11 now, so please note
    > anything really important I missed, but keep the rest pending. And give
    > this a good testing..
    ...
    > Gerd Knorr:
    > o video/arv: remove casts
    > o video/w9966: remove casts
    > o video/zr36120: remove casts
    > o v4l: video-buf update
    > o v4l2 tuner api update
    > o v4l: tuner update
    > o v4l: add tveeprom module
    > o v4l: tvaudio update
    > o v4l: bttv IR input driver update
    > o v4l: bttv update
    > o v4l: saa7134 module
    > o v4l-saa7134-module fix
    > o add i2c adapter id for the cx88 driver

    My TV card (Pinnacle PCTV Studio/Rave) stopped working due to these
    updates. I get no signal anymore. Rebooting into an older kernel does
    not stop the problem immediately. I actually have to power down the
    machine and then boot into 2.6.11-rc2 to make my TV card functioning
    again.

    Here is the relevant dmesg part:

    Linux video capture interface: v1.00
    bttv: driver version 0.9.15 loaded
    bttv: using 8 buffers with 2080k (520 pages) each for capture
    bttv: Bt8xx card found (0).
    ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 17 (level, low) -> IRQ 17
    bttv0: Bt878 (rev 17) at 0000:00:0c.0, irq: 17, latency: 64, mmio:
    0xefe00000
    bttv0: detected: Pinnacle PCTV [card=39], PCI subsystem ID is 11bd:0012
    bttv0: using: Pinnacle PCTV Studio/Rave [card=39,autodetected]
    bttv0: gpio: en=00000000, out=00000000 in=00ffffff [init]
    bttv0: i2c: checking for MSP34xx @ 0x80... not found
    bttv0: pinnacle/mt: id=1 info="PAL / mono" radio=no
    bttv0: using tuner=33
    bttv0: registered device video0
    bttv0: registered device vbi0
    bttv0: PLL: 28636363 => 35468950 .. ok
    tvaudio: TV audio decoder + audio/video mux driver
    tvaudio: known chips:
    tda9840,tda9873h,tda9874h/a,tda9850,tda9855,tea6300,tea6320,tea6420,tda8425,pic16c54 (PV951),ta8874z
    Losing some ticks... checking if CPU frequency changed.
    tuner: chip found at addr 0xc0 i2c-bus bt878 #0 [sw]
    tuner: type set to 33 (MT20xx universal) by bt878 #0 [sw]
    tuner: microtune: companycode=4d54 part=04 rev=04
    tuner: microtune MT2032 found, OK
    tda9885/6/7: chip found @ 0x86
    ...
    mt2032_set_if_freq failed with -121
    mt2032_set_if_freq2 failed with -121
    mt2032_set_if_freq failed with -121
    mt2032_set_if_freq2 failed with -121
    (repeated whenever one switches channels)
    __
    Markus

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