From: Andrew de Quincey <adq_dvb@lidskialf.net>
Date: Fri, 9 Sep 2005 20:02:33 +0000 (-0700)
Subject: [PATCH] dvb: frontend: tda1004x: fix SNR reading
X-Git-Tag: v2.6.14-rc1~423
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2026b3af0c8ad33ef253a950c271f2d0da111b6;p=linux-2.6

[PATCH] dvb: frontend: tda1004x: fix SNR reading

Fix SNR reading

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index ab0c032472..74cea9f8d7 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -1046,8 +1046,7 @@ static int tda1004x_read_snr(struct dvb_frontend* fe, u16 * snr)
 	tmp = tda1004x_read_byte(state, TDA1004X_SNR);
 	if (tmp < 0)
 		return -EIO;
-	if (tmp)
-		tmp = 255 - tmp;
+	tmp = 255 - tmp;
 
 	*snr = ((tmp << 8) | tmp);
 	dprintk("%s: snr=0x%x\n", __FUNCTION__, *snr);