Date: Thu, 3 Nov 2005 11:27:04 +0000 From: Brad Karp <bkarp@cs.ucl.ac.uk> To: Ariff Abdullah <skywizard@MyBSD.org.my> Cc: freebsd-multimedia@freebsd.org Subject: Re: ICH7 audio support? Message-ID: <20051103112704.GA669@smelt.bkarp.co.uk> In-Reply-To: <20051103184157.1e434bd9.skywizard@MyBSD.org.my> References: <20051103101614.GE8008@smelt.bkarp.co.uk> <20051103184157.1e434bd9.skywizard@MyBSD.org.my>
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> > 3) How back-compatible is the ICH7 audio hardware with previous > > ICHes? > > That is, is there any chance that merely by hacking the device > > probe tables, I can "lie" to the current snd_ich driver that the > > ICH7 is some earlier-model ICH, and get it to work? > > > ICH7 supposed to have new Intel High Definition Audio (HDA), which > unfortunately isn't supported (yet). I'm not quite sure whether it is > backward compatible with AC97, but you can try your luck hacking the > driver (/usr/src/sys/dev/sound/pci/ich.c) by adding the appropriate > pci id into ich_pci_probe() function. pciconf -l (chip=xxxx) should > give you the appropriate value for that. Thanks, Ariff. When I received your reply, I was already done hacking the device ID for the ICH7 into /sys/dev/sound/pci/ich.c. :-) I'm happy to report that with this hack, snd_ich appears to support the ICH7 just fine for both audio input and output! Best, -Brad, bkarp@cs.ucl.ac.uk
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