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Message-ID: <41840b750512140703q5c45417ag31dc79ee30d589e3@mail.gmail.com>
Date: Wed, 14 Dec 2005 17:03:10 +0200
From: Shem Multinymous <multinymous@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: tp_smapi conflict with IDE, hdaps
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>,
       Jeff Garzik <jgarzik@pobox.com>, Rovert Love <rlove@rlove.org>,
       Jens Axboe <axboe@suse.de>, linux-ide@vger.kernel.org
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On 12/13/05, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Maw, 2005-12-13 at 20:41 +0200, Shem Multinymous wrote:
> > Meanwhile, I found out that with this drive, "hdparm -E" does affect
> > CD-R discs
> That is expected behaviour. DVD speed is controlled by different
> interfaces

Duh! It's set via SET_STREAMING instead of SELECT_SPEED. There are
even a couple of (rejected?) kernel patches [1][2] and a userspace
tool [3], though neither hdparm nor eject know about it.

Good, so CD/DVD speed is none of tp_smapi's business. Thanks for the info!

  Shem

[1] http://lkml.org/lkml/2005/8/21/55
[2] http://seclists.org/lists/linux-kernel/2005/Aug/7393.html
[3] http://safari.iki.fi/speedcontrol.c
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