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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-10 08:18:31 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 07:37:20 -0300
commit80846a5c2f6650c903e6fa0708030cb6ba1124c8 (patch)
tree79bf8777fe9a62fb2155c95f010aa0ef186d0a08
parent6983257813dcc052cb46639f28ac77f46ec7350f (diff)
[media] drx-j: Fix detection of no signal
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>
-rw-r--r--drivers/media/dvb-frontends/drx39xyj/drxj.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c
index 9958277dd943..8098d87cda0b 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drxj.c
+++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c
@@ -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;