[media] dvb_frontend: better handle lna set errors
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Sun, 16 Feb 2014 09:36:17 +0000 (06:36 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Tue, 4 Mar 2014 17:19:34 +0000 (14:19 -0300)
If an attempt to set LNA fails, restore the cache to LNA_AUTO,
in order to make it to reflect the current LNA status.

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

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