tree c14fb32b183e2ab6246ebe34e0531d007e4b1c24
parent d01a8ee37afdeb1a00458a79854a1672ada5c9f0
author Mauro Carvalho Chehab <mchehab@redhat.com> 1358359925 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1358975449 -0200

[media] mb86a20s: add CNR measurement

Add Signal/Noise ratio measurement. On this device, a global measure
is taken by the demod. It also provides per-layer CNR measurements,
based on Modulation Error measures (MER).

Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>