diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2011-10-12 11:58:44 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-25 18:06:04 +0100 |
| commit | 146d35b00db270054378de17ca33eb54b0b78311 (patch) | |
| tree | 3780709ab9a613ed567b09534596e0abe1209b1d /Documentation | |
| parent | [media] go7007: Fix 2250 urb type (diff) | |
| download | linux-146d35b00db270054378de17ca33eb54b0b78311.tar.xz linux-146d35b00db270054378de17ca33eb54b0b78311.zip | |
[media] V4L spec: fix typo and missing CAP_RDS documentation
For some reason the V4L2_TUNER_CAP_RDS_CONTROLS/BLOCK_IO capabilities were never
documented in the proper table. In addition, then RDS interface section incorrectly
referred to them as V4L2_TUNER_SUB_RDS_... instead of CAP_RDS_...
This is now fixed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/DocBook/media/v4l/dev-rds.xml | 8 | ||||
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-g-tuner.xml | 10 |
2 files changed, 14 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/dev-rds.xml b/Documentation/DocBook/media/v4l/dev-rds.xml index 2427f54397e7..7644b2ec88d7 100644 --- a/Documentation/DocBook/media/v4l/dev-rds.xml +++ b/Documentation/DocBook/media/v4l/dev-rds.xml @@ -29,10 +29,10 @@ returned by the &VIDIOC-QUERYCAP; ioctl. Any tuner that supports RDS will set the <constant>V4L2_TUNER_CAP_RDS</constant> flag in the <structfield>capability</structfield> field of &v4l2-tuner;. If the driver only passes RDS blocks without interpreting the data -the <constant>V4L2_TUNER_SUB_RDS_BLOCK_IO</constant> flag has to be +the <constant>V4L2_TUNER_CAP_RDS_BLOCK_IO</constant> flag has to be set, see <link linkend="reading-rds-data">Reading RDS data</link>. For future use the -flag <constant>V4L2_TUNER_SUB_RDS_CONTROLS</constant> has also been +flag <constant>V4L2_TUNER_CAP_RDS_CONTROLS</constant> has also been defined. However, a driver for a radio tuner with this capability does not yet exist, so if you are planning to write such a driver you should discuss this on the linux-media mailing list: &v4l-ml;.</para> @@ -52,9 +52,9 @@ field of &v4l2-modulator;. In order to enable the RDS transmission one must set the <constant>V4L2_TUNER_SUB_RDS</constant> bit in the <structfield>txsubchans</structfield> field of &v4l2-modulator;. If the driver only passes RDS blocks without interpreting the data -the <constant>V4L2_TUNER_SUB_RDS_BLOCK_IO</constant> flag has to be set. If the +the <constant>V4L2_TUNER_CAP_RDS_BLOCK_IO</constant> flag has to be set. If the tuner is capable of handling RDS entities like program identification codes and radio -text, the flag <constant>V4L2_TUNER_SUB_RDS_CONTROLS</constant> should be set, +text, the flag <constant>V4L2_TUNER_CAP_RDS_CONTROLS</constant> should be set, see <link linkend="writing-rds-data">Writing RDS data</link> and <link linkend="fm-tx-controls">FM Transmitter Control Reference</link>.</para> </section> diff --git a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml index bd98c734c06b..b23a4b097b34 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-tuner.xml @@ -318,6 +318,16 @@ standard.</para><!-- FIXME what if PAL+NTSC and Bi but not SAP? --></entry> <entry>RDS capture is supported. This capability is only valid for radio tuners.</entry> </row> + <row> + <entry><constant>V4L2_TUNER_CAP_RDS_BLOCK_IO</constant></entry> + <entry>0x0100</entry> + <entry>The RDS data is passed as unparsed RDS blocks.</entry> + </row> + <row> + <entry><constant>V4L2_TUNER_CAP_RDS_CONTROLS</constant></entry> + <entry>0x0200</entry> + <entry>The RDS data is parsed by the hardware and set via controls.</entry> + </row> </tbody> </tgroup> </table> |