[media] mb86a20s: add CNR measurement
authorMauro Carvalho Chehab <mchehab@redhat.com>
Wed, 16 Jan 2013 18:12:05 +0000 (15:12 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Wed, 23 Jan 2013 21:10:49 +0000 (19:10 -0200)
commit25188bd0e66f244d8111c4459f2c2f262a13d272
treec14fb32b183e2ab6246ebe34e0531d007e4b1c24
parentd01a8ee37afdeb1a00458a79854a1672ada5c9f0
[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>
drivers/media/dvb-frontends/mb86a20s.c