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Commit d42626bd authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] v4l: add device type for Software Defined Radio 



Add new V4L device type VFL_TYPE_SDR for Software Defined Radio.
It is registered as /dev/swradio0 (/dev/sdr0 was already reserved).

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 5121288d

drivers/media/v4l2-core/v4l2-dev.c

+6 −0
Original line number Diff line number Diff line
@@ -758,6 +758,8 @@ static void determine_valid_ioctls(struct video_device *vdev) 
 *	%VFL_TYPE_RADIO - A radio card

 *

 *	%VFL_TYPE_SUBDEV - A subdevice

 *

 *	%VFL_TYPE_SDR - Software Defined Radio

 */

int __video_register_device(struct video_device *vdev, int type, int nr,

		int warn_if_nr_in_use, struct module *owner)
@@ -797,6 +799,10 @@ int __video_register_device(struct video_device *vdev, int type, int nr, 
	case VFL_TYPE_SUBDEV:

		name_base = "v4l-subdev";

		break;

	case VFL_TYPE_SDR:

		/* Use device name 'swradio' because 'sdr' was already taken. */

		name_base = "swradio";

		break;

	default:

		printk(KERN_ERR "%s called with unknown type: %d\n",

		       __func__, type);

include/media/v4l2-dev.h

+2 −1
Original line number Diff line number Diff line
@@ -24,7 +24,8 @@ 
#define VFL_TYPE_VBI		1

#define VFL_TYPE_RADIO		2

#define VFL_TYPE_SUBDEV		3

#define VFL_TYPE_MAX		4

#define VFL_TYPE_SDR		4

#define VFL_TYPE_MAX		5



/* Is this a receiver, transmitter or mem-to-mem? */

/* Ignored for VFL_TYPE_SUBDEV. */