From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: How to detect whether media is present in a reader?
Date: Wed, 09 Jun 2004 23:34:54 +0000 [thread overview]
Message-ID: <20040609233453.GA12428@kroah.com> (raw)
In-Reply-To: <200406101053.33097.michael@gentoo.co.nz>
On Thu, Jun 10, 2004 at 10:57:01AM +1200, Michael Hamilton wrote:
> From looking at what's available I get the impression that
> some variant on polling is the only solution for such problems.
> Is this really the case - even for USB?
Yup. Problem is that some devices provide no way of reporting if they
actually have media in them or not. They also do not tell the host if
the media that was in them is now gone. These types of cheap devices
are very common :(
Good luck,
greg k-h
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next prev parent reply other threads:[~2004-06-09 23:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-09 22:53 How to detect whether media is present in a reader? Michael Hamilton
2004-06-09 22:57 ` Michael Hamilton
2004-06-09 23:34 ` Greg KH [this message]
2004-06-11 21:01 ` David Zeuthen
2004-06-12 11:39 ` Michael Hamilton
2004-06-12 12:21 ` David Zeuthen
2004-06-14 20:33 ` Greg KH
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