[PATCH] dvb: frontend: tda1004x: fix SNR reading
authorAndrew de Quincey <adq_dvb@lidskialf.net>
Fri, 9 Sep 2005 20:02:33 +0000 (13:02 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 9 Sep 2005 20:57:38 +0000 (13:57 -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 ab0c032472cc01bdb6f02eefdb05966df1ba014d..74cea9f8d72106d2561aa9c4695f99853cdf9bb3 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);