Date: Sun, 18 Oct 1998 22:10:25 +0100 (MET) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: caj@lfn.org (Craig Johnston) Cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: ESS1868 in thinkpad 560e w/pcm Message-ID: <199810182110.WAA04131@labinfo.iet.unipi.it> In-Reply-To: <Pine.GSO.3.96.981018120035.11065A-100000@jane.lfn.org> from "Craig Johnston" at Oct 18, 98 12:09:51 pm
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> Ok, am I missing something in configuring this? When I try to cat ... > I was under the impression that this ESS was only half-duplex, > or am I wrong and do I need to set 2 dma channels? no, the ESS is full duplex but the "pcm" driver does not support it but in SB3.1 mode. > This chip is supposed to also emulate MSS, but I was under > the impression that MSS was full-duplex. Am I mistaken? i believe the ESS does _not_ emulate MSS at the register level. It can do much the smae thing (i.e. 16-bit full duplex up to 48 KHz) but needs a different driver. cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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