tree 848a078d589dfe3abc969a4fd75859812242d0b6
parent 968fb08912880e34a05a0cca7907392bac920aa2
author Roland Stoll <roland@xindex.de> 1202745634 -0300
committer Mauro Carvalho Chehab <mchehab@infradead.org> 1203344119 -0300

V4L/DVB (7194): cx88-mpeg: Allow concurrent access to cx88-mpeg devices

It currently isn't possible to open the frontend device of cx88-mpeg devices
(DVB or Blackbird) multiple times concurrently. (for instance, to attach a
signal monitoring tool while reading a stream, or to send a frequency change
ioctl) This patch fixes that condition.

Signed-off-by: Roland Stoll <roland@xindex.de>
Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>