[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 ab0c032..74cea9f 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -1046,8 +1046,7 @@
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);