linux-kernel - Re: [PATCH] cdrom: support read sub-channel command in LBA format

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Message-ID: <57850C0B.3050705@kernel.dk>
Date:	Tue, 12 Jul 2016 08:26:03 -0700
From:	Jens Axboe <axboe@...nel.dk>
To:	"Veeraiyan Chidambaram (RBEI/ECF32)" 
	<Veeraiyan.Chidambaram@...bosch.com>,
	Jonathan Corbet <corbet@....net>,
	"Channaiah Vanitha (RBEI/ECF31)" <Vanitha.Channaiah@...bosch.com>,
	"Mahendran Kuppusamy (RBEI/ECF31)" <Mahendran.Kuppusamy@...bosch.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cdrom: support read sub-channel command in LBA format

On 07/10/2016 11:49 PM, Veeraiyan Chidambaram (RBEI/ECF32) wrote:
> Hello Jens,
>
> In CDROM Linux driver code, "Read Sub channel" format is hard coded
> with CDROM_MSF format only in the function cdrom_read_subchannel() and
> mmc_ioctl_cdrom_subchannel() in cdrom.c.  Hence, irrespective of
> "Read Sub channel" command with CDROM_LBA/CDROM_MSF format, the
> reported Response which is in MSF format was considered as LBA in user
> space application.  Now the behavior is changed in such way that
> IOCTL returns either CDROM_MSF or CDROM_LBA format per user request.
> Please find the fix patch attached.

Applied for 4.8, thanks.

-- 
Jens Axboe