Re: BTTV w/ no sound?

Bart Schuller (schuller+kernel@lunatech.com)
Wed, 10 Jun 1998 23:10:01 +0200

On Wed, Jun 10, 1998 at 08:15:12PM +0200, Gerd Knorr wrote:
> Could you check if the chip is *really* a msp3400c-c6? Maybe it is a newer
> version (msp3430-xx ?) and the Windows driver kicks it into a msp3400
> compatible mode.
>
> "insmod i2c i2c_debug=1" might help too. Should look like this:

Here's without booting windows first:

bt848-0: < 80+ >
bt848-0: < 80+ 00+ 80+ 00+ >
bt848-0: < 80+ 00+ 00+ 00+ >
bt848-0: < 80+ 10+ 00+ bb+ 00+ d0+ >
[...]
bt848-0: < 80+ 12+ 00+ 08+ 00+ 30+ >
bt848-0: < 80- >
msp3400: I/O error, trying reset (write Audio 0x9)
bt848-0: < 80- 00- 80- 00- >
bt848-0: < 80+ 00+ 00+ 00+ >
bt848-0: < 80+ 12+ 00+ 0a+ 00+ 30+ >
bt848-0: < 80- >
msp3400: I/O error, trying reset (write Audio 0xe)
[... more write and read errors ...]
bt848-0: < 80- 00- 80- 00- >
bt848-0: < 80+ 00+ 00+ 00+ >
bt848-0: < 80+ 13+ 00+ 1e+ bt848-0: < 81- >
msp3400: I/O error, trying reset (read Audio 0x1e)
bt848-0: < 80- 00- 80- 00- >
bt848-0: < 80+ 00+ 00+ 00+ >
bt848-0: < 80+ 13+ 00+ 1f+ bt848-0: < 81- >
msp3400: I/O error, trying reset (read Audio 0x1f)
bt848-0: < 80- 00- 80- 00- >
bt848-0: < 80+ 00+ 00+ 00+ >
msp3400: init: chip=MSP3400@-@0, registered as sound mixer

And here's with windows:

bt848-0: < 80+ 13+ 00+ 1e+ bt848-0: < 81+ =03+ =03- >
bt848-0: < 80+ 13+ 00+ 1f+ bt848-0: < 81+ =00+ =06- >
msp3400: init: chip=MSP3400C-C6, registered as sound mixer

Opening the casing of my machine will have to wait.
The windows driver seems to lie about the chip: it calls it a 3400C.

-- 
The idea is that the first face shown to people is one they can readily
accept - a more traditional logo. The lunacy element is only revealed
subsequently, via the LunaDude. [excerpted from the Lunatech Identity Manual]


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu