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Date: Sat, 31 Mar 2012 12:45:40 +0200
From: Jan Ceuleers <jan.ceuleers@computer.org>
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To: Aaron Lu <aaron.lu@amd.com>
CC: Alan Stern <stern@rowland.harvard.edu>, Lin Ming <ming.m.lin@intel.com>,
        Zhang Rui <rui.zhang@intel.com>, Jeff Garzik <jgarzik@pobox.com>,
        "Rafael J. Wysocki" <rjw@sisk.pl>, Tejun Heo <tj@kernel.org>,
        linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
        linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org,
        linux-acpi <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH v3 7/7] [SCSI] sr: adds Zero-power ODD support
References: <CAOzJMDRajsjHwCC66XB6Mv-Deuy-wD4GiZbeuEqCQePSLw-Xxw@mail.gmail.com> <Pine.LNX.4.44L0.1203291050580.1417-100000@iolanthe.rowland.org> <20120330010730.GA27346@ladygaga>
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On 30/03/12 03:07, Aaron Lu wrote:
> When the ODD is put to zero power state, it will not be able to handle
> commands like CDROMEJECT. We have to power it up first and then handle
> the ioctl request. Currently, we only power back up the ODD when user
> press the eject button as explained above.

What about slot-loading optical drives, where the user does not first 
have to press a button to open the tray (due to a lack of tray)?

Jan