Date: Thu, 15 Apr 1999 19:43:46 +0200 From: "Jose M. Alcaide" <jose@we.lc.ehu.es> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: record level too low using CS4236-based card Message-ID: <37162552.1C547EE5@we.lc.ehu.es> References: <199904151517.RAA12948@labinfo.iet.unipi.it>
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Luigi Rizzo wrote: > > unfortunately all i can say is the same as the last two lines from your > msg. You need to fetch the data sheets of the 4235, compare them with > the 4236, and find out the differences. > > The mixer support is very primitive in the PCM driver, and i tried > only to support the common subset of the 4232, 4236, opti931 because > that was what i had at the time i wrote the driver. Basically all > these three codecs can control most of the mixer with a single set > of registers. Extended functions (and probably some vital ones as > in your case DC suppression and mic volume control) are usually > done with an additional set of registers. Supporting them is > reasonably simple, if someone has the time to look at a clean way > to do this everybody would be happy... > Thank you for your FAST answer! OK, I will try to get the 4236 data sheets... I examined the ad1848.c file and it is clearly written ;-), so I can try to make some modifications. But, in any case, could you recommend an audio card (or chipset)? All we want is good quality, 16 bits, 16 KHz full-duplex. Thanks again, -- JMA ----------------------------------------------------------------------- José Mª Alcaide | mailto:jose@we.lc.ehu.es Universidad del País Vasco | mailto:jmas@es.FreeBSD.ORG Dpto. de Electricidad y Electrónica | http://www.we.lc.ehu.es/~jose Facultad de Ciencias - Campus de Lejona | Tel.: +34-946012479 48940 Lejona (Vizcaya) - SPAIN | Fax: +34-944858139 ----------------------------------------------------------------------- "Go ahead... make my day." - H. Callahan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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