linux-kernel - Re: [PATCH v5 22/39] media: Add userspace header file for i.MX

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Message-ID: <20170310233223.GD6540@amd>
Date:   Sat, 11 Mar 2017 00:32:23 +0100
From:   Pavel Machek <pavel@....cz>
To:     Steve Longerbeam <slongerbeam@...il.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        kernel@...gutronix.de, fabio.estevam@....com,
        linux@...linux.org.uk, mchehab@...nel.org, hverkuil@...all.nl,
        nick@...anahar.org, markus.heiser@...marIT.de,
        p.zabel@...gutronix.de, laurent.pinchart+renesas@...asonboard.com,
        bparrot@...com, geert@...ux-m68k.org, arnd@...db.de,
        sudipm.mukherjee@...il.com, minghsiu.tsai@...iatek.com,
        tiffany.lin@...iatek.com, jean-christophe.trotin@...com,
        horms+renesas@...ge.net.au, niklas.soderlund+renesas@...natech.se,
        robert.jarzmik@...e.fr, songjun.wu@...rochip.com,
        andrew-ct.chen@...iatek.com, gregkh@...uxfoundation.org,
        shuah@...nel.org, sakari.ailus@...ux.intel.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org,
        Steve Longerbeam <steve_longerbeam@...tor.com>
Subject: Re: [PATCH v5 22/39] media: Add userspace header file for i.MX

Hi!

> diff --git a/include/uapi/media/Kbuild b/include/uapi/media/Kbuild
> index aafaa5a..fa78958 100644
> --- a/include/uapi/media/Kbuild
> +++ b/include/uapi/media/Kbuild
> @@ -1 +1,2 @@
>  # UAPI Header export list
> +header-y += imx.h
> diff --git a/include/uapi/media/imx.h b/include/uapi/media/imx.h
> new file mode 100644
> index 0000000..f573de4
> --- /dev/null
> +++ b/include/uapi/media/imx.h
> @@ -0,0 +1,21 @@
> +/*
> + * Copyright (c) 2014-2015 Mentor Graphics Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by the
> + * Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version
> + */
> +
> +#ifndef __UAPI_MEDIA_IMX_H__
> +#define __UAPI_MEDIA_IMX_H__
> +
> +enum imx_ctrl_id {
> +	V4L2_CID_IMX_FIM_ENABLE = (V4L2_CID_USER_IMX_BASE + 0),
> +	V4L2_CID_IMX_FIM_NUM,
> +	V4L2_CID_IMX_FIM_TOLERANCE_MIN,
> +	V4L2_CID_IMX_FIM_TOLERANCE_MAX,
> +	V4L2_CID_IMX_FIM_NUM_SKIP,
> +};
> +

Should this #include something so that if userland includes it, it
will not get compile error?

Should there be some documentation of userland API?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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