Date: Tue, 28 Apr 1998 09:50:13 -0700 From: Mike Smith <mike@smith.net.au> To: rob@remarque.org (Rob Robertson) Cc: Nate Williams <nate@mt.sri.com>, freebsd-mobile@FreeBSD.ORG Subject: Re: weird sound problem with tp 560 Message-ID: <199804281650.JAA00551@dingo.cdrom.com> In-Reply-To: Your message of "Tue, 28 Apr 1998 10:48:14 PDT." <199804281748.KAA22993@remarque.org>
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> > > is it a software or firmware/hardware problem? anyone know what's up > > > with that? > > > > Probably a software problem. I don't believe the sound code is APM > > aware, so it won't re-configure itself upon resume. > > That's correct. I've discussed this with our current lead sound > developer, but he's not laptop-enabled so things have been slow. > > my question then is: why does hibernate do the right thing, but > suspend doesn't? Hibernation doesn't lose the state of the DMA/sound hardware, it just pauses it. After a suspend/resume cycle, you have to reinitialise the hardware and restart the DMA, and our code doesn't do that. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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