media: af9013: dvbv5 signal strength

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Implement dvbv5 signal strength estimate. We know tuner dependent
-80dBm and -50dBm agc values, construct line equation and use it to
map agc value to signal strength estimate.

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

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Antti Palosaari 2017-06-18 01:17:49 -04:00 • committed by Mauro Carvalho Chehab

parent 7903fbe3a6

commit 943a720f5c

1 changed files with 81 additions and 2 deletions

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drivers/media/dvb-frontends/af9013.c

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