staging: most: check availability of the callback request_netinfo

Since not all HDMs implement the callback request_netinfo, this patch
adds checking of its availability.

Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrey Shvetsov 2017-05-12 12:59:52 +02:00 • committed by Greg Kroah-Hartman
commit a4d98fac51