linux-kernel - Re: USB autosuspend and turning of usb pendrive leds

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Message-ID: <46F7A1CF.4010509@hhs.nl>
Date:	Mon, 24 Sep 2007 13:38:55 +0200
From:	Hans de Goede <j.w.r.degoede@....nl>
To:	Oliver Neukum <oliver@...kum.org>
CC:	Jiri Kosina <jikos@...os.cz>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-usb-devel@...ts.sourceforge.net
Subject: Re: USB autosuspend and turning of usb pendrive leds

Oliver Neukum wrote:
> Am Freitag 21 September 2007 schrieb Jiri Kosina:
>> On Fri, 21 Sep 2007, Hans de Goede wrote:
>>
>>> Thats not what I had in mind, autosuspend doesn't work (presumably 
>>> because hal keeps polling for media change) maybe I should fix hal to 
>>> not keep polling for devices which don't have removable media?
>> Hi Hans,
>>
>> I think the correct solution is that HAL stops polling the device as soon 
>> as it sees that it got autosuspended.
> 
> And how would we notice a medium change then? If there's an alternative
> way to notice it or we know it cannot happen there's no reason to poll at all.
> 

It looks like hal is currently polling device of which it knows the medium is 
not removable, like USB-pens.

Regards,

Hans

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