|author||Maxim Levitsky <firstname.lastname@example.org>||2010-07-31 11:59:23 -0300|
|committer||Mauro Carvalho Chehab <email@example.com>||2010-08-08 23:43:00 -0300|
V4L/DVB: IR: extend interfaces to support more device settings
LIRC: add new IOCTL that enables learning mode (wide band receiver) Still missing features: carrier report & timeout reports. Will need to pack these into ir_raw_event Signed-off-by: Maxim Levitsky <firstname.lastname@example.org> Signed-off-by: Mauro Carvalho Chehab <email@example.com>
Diffstat (limited to 'Documentation/DocBook')
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/lirc_device_interface.xml b/Documentation/DocBook/v4l/lirc_device_interface.xml
index 0413234023d..68134c0ab4d 100644
@@ -229,6 +229,22 @@ on working with the default settings initially.</para>
and LIRC_SETUP_END. Drivers can also choose to ignore these ioctls.</para>
+ <para>Some receivers are equipped with special wide band receiver which is intended
+ to be used to learn output of existing remote.
+ Calling that ioctl with (1) will enable it, and with (0) disable it.
+ This might be useful of receivers that have otherwise narrow band receiver
+ that prevents them to be used with some remotes.
+ Wide band receiver might also be more precise
+ On the other hand its disadvantage it usually reduced range of reception.
+ Note: wide band receiver might be implictly enabled if you enable
+ carrier reports. In that case it will be disabled as soon as you disable
+ carrier reports. Trying to disable wide band receiver while carrier
+ reports are active will do nothing.</para>