* [PATCH v2] devices.txt: add video4linux device for Software Defined Radio
@ 2014-01-22 4:19 Antti Palosaari
2014-01-22 7:20 ` Hans Verkuil
0 siblings, 1 reply; 2+ messages in thread
From: Antti Palosaari @ 2014-01-22 4:19 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Add new video4linux device named /dev/swradio for Software Defined
Radio use. V4L device minor numbers are allocated dynamically
nowadays.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
Documentation/devices.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 80b7241..ac6ff84 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -1493,6 +1493,9 @@ Your cooperation is appreciated.
224 = /dev/vbi0 Vertical blank interrupt
...
255 = /dev/vbi31 Vertical blank interrupt
+ 0 = /dev/swradio0 Software Defined Radio device
+ 1 = /dev/swradio1 Software Defined Radio device
+ ...
81 block I2O hard disk
0 = /dev/i2o/hdq 17th I2O hard disk, whole disk
--
1.8.4.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] devices.txt: add video4linux device for Software Defined Radio
2014-01-22 4:19 [PATCH v2] devices.txt: add video4linux device for Software Defined Radio Antti Palosaari
@ 2014-01-22 7:20 ` Hans Verkuil
0 siblings, 0 replies; 2+ messages in thread
From: Hans Verkuil @ 2014-01-22 7:20 UTC (permalink / raw)
To: Antti Palosaari; +Cc: linux-media
On 01/22/2014 05:19 AM, Antti Palosaari wrote:
> Add new video4linux device named /dev/swradio for Software Defined
> Radio use. V4L device minor numbers are allocated dynamically
> nowadays.
Actually, that's not true. If the VIDEO_FIXED_MINOR_RANGES config option is
set, then the fixed ranges will be used. In that case the devices use minors
from 128-191. This range is shared with v4l-subdev devices.
>
> Signed-off-by: Antti Palosaari <crope@iki.fi>
> ---
> Documentation/devices.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devices.txt b/Documentation/devices.txt
> index 80b7241..ac6ff84 100644
> --- a/Documentation/devices.txt
> +++ b/Documentation/devices.txt
> @@ -1493,6 +1493,9 @@ Your cooperation is appreciated.
> 224 = /dev/vbi0 Vertical blank interrupt
> ...
> 255 = /dev/vbi31 Vertical blank interrupt
> + 0 = /dev/swradio0 Software Defined Radio device
> + 1 = /dev/swradio1 Software Defined Radio device
> + ...
>
> 81 block I2O hard disk
> 0 = /dev/i2o/hdq 17th I2O hard disk, whole disk
>
Regards,
Hans
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2014-01-22 7:20 ` Hans Verkuil
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