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Subject: Re: [PATCH v8 28/36] media: subdev: Add [GS]_ROUTING subdev ioctls
 and operations
To:     Jacopo Mondi <jacopo@jmondi.org>
Cc:     linux-media@vger.kernel.org, sakari.ailus@linux.intel.com,
        Jacopo Mondi <jacopo+renesas@jmondi.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        niklas.soderlund+renesas@ragnatech.se,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Pratyush Yadav <p.yadav@ti.com>,
        Lokesh Vutla <lokeshvutla@ti.com>,
        Michal Simek <michal.simek@xilinx.com>
References: <20210830110116.488338-1-tomi.valkeinen@ideasonboard.com>
 <20210830110116.488338-29-tomi.valkeinen@ideasonboard.com>
 <20210915161034.h5hqxkfa53urdpwn@uno.localdomain>
From:   Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Message-ID: <83d4950d-fdda-0ef1-c0b0-f82b5e49284c@ideasonboard.com>
Date:   Thu, 16 Sep 2021 09:57:21 +0300
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Hi,

On 15/09/2021 19:10, Jacopo Mondi wrote:

>> +#define V4L2_SUBDEV_ROUTE_FL_ACTIVE		BIT(0)
> 
> Am I wrong or BIT() is not available to userspace ?
> 
> ../../include/linux/v4l2-subdev.h:209:38: error: ‘BIT’ was not declared in this scope
>    209 | #define V4L2_SUBDEV_ROUTE_FL_ACTIVE  BIT(0)
> 
> Header was exported with headers_install.

Yes, I think you are correct. I see only two other BIT() uses in uapi 
headers, and those might be errors too.

  Tomi