[media] doc-rst: document ioctl LIRC_GET_REC_MODE

Move the documentation of this ioctl from lirc_ioctl to its
own file, and add a short description about the pulse mode
used by IR RX.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-10 22:46:12 -03:00
commit dbe678dd21
3 changed files with 60 additions and 9 deletions