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[14/15] drx-j: Fix detection of no signal

Message ID 1394452747-5426-15-git-send-email-m.chehab@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab March 10, 2014, 11:59 a.m. UTC 
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>
---
 drivers/media/dvb-frontends/drx39xyj/drxj.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

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;