[PATCH] dvb: frontend: tda1004x: fix SNR reading
Andrew de Quincey [Fri, 9 Sep 2005 20:02:33 +0000 (13:02 -0700)]
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>

drivers/media/dvb/frontends/tda1004x.c

index ab0c032..74cea9f 100644 (file)
@@ -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);