linux-kernel - [PATCH v2 5/8] docs: cdrom: Add autoclose IOCTL

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Date:   Wed, 23 Oct 2019 14:52:44 +0200
From:   Michal Suchanek <msuchanek@...e.de>
To:     linux-scsi@...r.kernel.org
Cc:     Michal Suchanek <msuchanek@...e.de>,
        Jonathan Corbet <corbet@....net>, Jens Axboe <axboe@...nel.dk>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Eric Biggers <ebiggers@...gle.com>,
        "J. Bruce Fields" <bfields@...hat.com>,
        Benjamin Coddington <bcodding@...hat.com>,
        Hannes Reinecke <hare@...e.com>,
        Omar Sandoval <osandov@...com>, Ming Lei <ming.lei@...hat.com>,
        Damien Le Moal <damien.lemoal@....com>,
        Bart Van Assche <bvanassche@....org>,
        Tejun Heo <tj@...nel.org>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH v2 5/8] docs: cdrom: Add autoclose IOCTL

This IOCTL will be used internally by the sr driver but there is no
reason to not document it for userspace.

Signed-off-by: Michal Suchanek <msuchanek@...e.de>
---
 Documentation/ioctl/cdrom.rst | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Documentation/ioctl/cdrom.rst b/Documentation/ioctl/cdrom.rst
index 3b4c0506de46..9372ff1b2b47 100644
--- a/Documentation/ioctl/cdrom.rst
+++ b/Documentation/ioctl/cdrom.rst
@@ -60,6 +60,7 @@ are as follows:
 	CDROM_LOCKDOOR		lock or unlock door
 	CDROM_DEBUG		Turn debug messages on/off
 	CDROM_GET_CAPABILITY	get capabilities
+	CDROM_AUTOCLOSE 	If autoclose enabled close the tray
 	CDROMAUDIOBUFSIZ	set the audio buffer size
 	DVD_READ_STRUCT		Read structure
 	DVD_WRITE_STRUCT	Write structure
@@ -1056,6 +1057,30 @@ CDROM_GET_CAPABILITY
 
 
 
+CDROM_AUTOCLOSE
+	Close the tray if the device has one, and autoclose is enabled.
+	Wait for drive to become ready.
+
+
+	usage::
+
+	  ioctl(fd, CDROM_AUTOCLOSE, 0);
+
+
+	inputs:
+		none
+
+
+	outputs:
+		The ioctl return value is 0 or an error code.
+
+
+	error return:
+	  - ENOMEDIUM	No medium found or drive error.
+	  - ERESTARTSYS	Received a signal while waiting for drive to become ready.
+
+
+
 CDROMAUDIOBUFSIZ
 	set the audio buffer size
 
-- 
2.23.0