From: Mauro Carvalho Chehab <m.chehab@samsung.com>
Date: Mon, 10 Mar 2014 11:18:31 +0000 (-0300)
Subject: [media] drx-j: Fix detection of no signal
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=80846a5c2f6650c903e6fa0708030cb6ba1124c8;p=openwrt%2Fstaging%2Fblogic.git

[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>
---

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;