Re: [PATCH 1/2] opti93x: add support for Opti93x codec in cs4231-lib

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On 15-06-08 19:33, Krzysztof Helt wrote:

> I have tried to reproduce this on an opti930 card. I do not hear any
> difference. I tried at 100% and 75% (both PCM and Master) levels. I
> used the script which reloaded an old and new driver and played a wav
> file. I run it in a loop. The thing I noticed is that the old driver
> often produced noise (say more than 1 in 4 tries) instead of the
> sound. The new driver (cs4231) never. The old and new driver produced
> a click before playing the sound (50% probability).
> 
> I have checked the mixer code. It is not changed.
> 
> What do you do to get a different sound level? (card model, level
> settings).

I've restested (quite extensively by now...) and have not been able to 
reproduce. I do have quit a few 931 and 933 cards, all alike physically 
but likely not all the same post the onboard amp. What MAY have happened 
is that I mistakingly grabbed another one during testing while I was 
busy switching 930, 931 and 933 cards (and kernels).

Doubt it a bit but well, I'm just not reproducing now. I do believe it 
was a 931 on which I observed the level difference; let's just conclude 
this must have been an error on my part.

Rene.
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