V4L/DVB (3250): tea5767: move signal strength level to the 0-65535 range

- Move signal strength level to the 0-65535 range as per V4L2 spec.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

drivers/media/video/tea5767.c

@@ -264,7 +264,7 @@ static int tea5767_signal(struct i2c_client *c)
 	if (5 != (rc = i2c_master_recv(c, buffer, 5)))
 		tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
 
-	return ((buffer[3] & TEA5767_ADC_LEVEL_MASK) << (13 - 4));
+	return ((buffer[3] & TEA5767_ADC_LEVEL_MASK) << 8);
 }
 
 static int tea5767_stereo(struct i2c_client *c)