From: David Brownell <david-b@pacbell.net>
To: linux-pm@lists.osdl.org
Cc: Andy Kennedy <akennedy@techmoninc.com>
Subject: Re: Ejecting/Powering off/ -> Turn off the device lamp.
Date: Mon, 22 May 2006 10:03:58 -0700 [thread overview]
Message-ID: <200605221003.59827.david-b@pacbell.net> (raw)
In-Reply-To: <4471E520.1090008@techmoninc.com>
[-- Attachment #1: Type: text/plain, Size: 423 bytes --]
On Monday 22 May 2006 9:21 am, Andy Kennedy wrote:
> Is there a way to signal the device to stop the cycle and actually power
> off the LED?
You might be able to ask the device to suspend -- using the deprecated
/sys/devices/.../power/state files -- which in common cases means that
bus-powered devices won't be able to keep a LED powered.
But LEDs are highly device-specific, so there can be no general rules.
- Dave
[-- Attachment #2: Type: text/plain, Size: 0 bytes --]
prev parent reply other threads:[~2006-05-22 17:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-22 16:21 Ejecting/Powering off/ -> Turn off the device lamp Andy Kennedy
2006-05-22 16:40 ` Alan Stern
2006-05-22 16:50 ` Andy Kennedy
2006-05-22 17:07 ` David Brownell
2006-05-22 17:03 ` David Brownell [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200605221003.59827.david-b@pacbell.net \
--to=david-b@pacbell.net \
--cc=akennedy@techmoninc.com \
--cc=linux-pm@lists.osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox