[media] IX2505V: i2c transfer error code ignored

It seems that ix2505v driver ignores a i2c error in ix2505v_read_status_reg.
This looks like a typing error using (ret = 1) instead of correct (ret == 1).
Acked-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/ix2505v.c

@@ -72,7 +72,7 @@ static int ix2505v_read_status_reg(struct ix2505v_state *state)
 	ret = i2c_transfer(state->i2c, msg, 1);
 	deb_i2c("Read %s ", __func__);
 
-	return (ret = 1) ? (int) b2[0] : -1;
+	return (ret == 1) ? (int) b2[0] : -1;
 }
 
 static int ix2505v_write(struct ix2505v_state *state, u8 buf[], u8 count)