Em 30-08-2010 08:38, Matti J. Aaltonen escreveu:
> Add a couple of words about the spacing field in the HW seek struct,
> about the V4L2_CAP_RAW_RDS_ONLY capability flag and about the
> new FM RX control class.
Same comment as patch 1/4: FM bandwidth can already be defined via
VIDIOC_[G|S]_TUNER.
So, this patch is just creating a duplicated API for something already defined.
>
> Signed-off-by: Matti J. Aaltonen
> ---
> Documentation/DocBook/v4l/controls.xml | 71
>
> Documentation/DocBook/v4l/dev-rds.xml |5 ++
> .../DocBook/v4l/vidioc-s-hw-freq-seek.xml | 10 ++-
> 3 files changed, 84 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/DocBook/v4l/controls.xml
> b/Documentation/DocBook/v4l/controls.xml
> index 8408caa..e9512eb 100644
> --- a/Documentation/DocBook/v4l/controls.xml
> +++ b/Documentation/DocBook/v4l/controls.xml
> @@ -2088,6 +2088,77 @@ manually or automatically if set to zero. Unit, range
> and step are driver-specif
> For more details about RDS specification, refer to
> document, from CENELEC.
>
> +
> + FM Tuner Control Reference
> +
> + The FM Tuner (FM_RX) class includes controls for common features
> of
> +devices that are capable of receiving FM transmissions. Currently this class
> includes a parameter
> +defining the FM radio band being used.
> +
> +
> + FM_RX Control IDs
> +
> +
> +
> +
> +
> +
> +
> +
> +
> +
> + ID
> + Type
> +align="left">Description
> +
> +
> +
> +
> +
> + spanname="id">V4L2_CID_FM_RX_CLASS
> + class
> + The FM_RX class
> +descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
> +description of this control class.
> +
> +
> + spanname="id">V4L2_CID_FM_RX_BAND
> + integer
> +
> + Configures the FM
> radio
> +frequency range being used. Currently there are three bands in use, see
> +url="http://en.wikipedia.org/wiki/FM_broadcasting";>Wikipedia.
> +Usually 87.5 to 108.0 MHz is used, or some portion thereof, with a few
> exceptions:
> +In Japan, the band 76-90 MHz is used and in the former Soviet republics
> +and some Eastern European countries, the older 65-74 MHz band,
> +referred also to as the OIRT band, is still used.
> +
> +The enum v4l2_fm_rx_band defines possible values for the FM band. They
> are:
> +
> +
> +
> +
> +
> V4L2_FM_BAND_OTHER
> + Frequencies from 87.5 to 108.0 MHz
> +
> +
> +
> V4L2_FM_BAND_JAPAN
> + from 65 to 74 MHz
> +
> +
> +
> V4L2_FM_BAND_OIRT
> + from 65 to 74 MHz
> +
> +
> +
> +
> +
> +
> +
> +
> +
> +
> +
>
>
>
