Date: Sun, 26 Jul 1998 14:22:33 -0700 From: Mike Smith <mike@smith.net.au> To: Brad Karp <karp@eecs.harvard.edu> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: 12V power for PC-Cards? Message-ID: <199807262122.OAA11940@antipodes.cdrom.com> In-Reply-To: Your message of "Sun, 26 Jul 1998 16:02:35 EDT." <199807262002.QAA29797@dominator.eecs.harvard.edu>
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> My Motorola PM100C CDPD modem/radio is a type II PC-Card. It works reasonably > well (i.e., as well as one can expect from CDPD) for wireless IP, with the > exception that its 9V alkaline internal battery runs out far too quickly. [much sleuthing elided] > My rather cursory reading of the pccardd and sys/pccard code gives me the > impression that apart from an unused ioctl for setting the power values for > a slot, there is no support in either 2.2-stable or 3.0-current for giving > cards 12V when they ask for it. That's correct. > My question is, am I right? Has there been little demand for 12V, so that > the pccard code doesn't check for the request from the card and configure > the slot accordingly? Or am I missing the place that is meant to take care > of this in the code, and the code is simply not working on my hardware? Correct again, AFAIK. I believe that in the "early days" there was concern that supporting this would lead to destruction of buggy cards. Since then, the issue has languished waiting for someone like yourself to take it up. > I would be happy to contribute code to handle 12V requests, if there is > interest. Definitely; please do. -- \\ 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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