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[media] drx-j: Fix detection of no signal

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When the signal is 7, it means that no signal was received.

Value experimentally measured.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-03-10 08:18:31 -03:00
parent 6983257813
commit 80846a5c2f
1 changed files with 3 additions and 0 deletions
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3
drivers/media/dvb-frontends/drx39xyj/drxj.c
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@ -9420,6 +9420,9 @@ static int get_sig_strength(struct drx_demod_instance *demod, u16 *sig_strength)
*sig_strength = (20 * if_gain / if_agc_sns);
}
if (*sig_strength <= 7)
*sig_strength = 0;
return 0;
rw_error:
return -EIO;