From: Antti Palosaari Date: Wed, 11 Dec 2013 23:03:07 +0000 (-0300) Subject: [media] v4l: add device type for Software Defined Radio X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d42626bda4629ed9ad2ebcf44a7fece0777caa58;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [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: Antti Palosaari Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index 0a30dbf3d05c..9764ca04f8e2 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -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); diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index c768c9f8abc2..eec6e460f649 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -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. */