[media] drx-j: re-add get_sig_strength()
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Sun, 9 Mar 2014 20:37:27 +0000 (17:37 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Tue, 11 Mar 2014 10:37:19 +0000 (07:37 -0300)
We'll need to use this function. Restore it from the
git history.

This function will be used on the next patch.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

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