[media] common: tunners: use %*ph to dump small buffers

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/common/tuners/tuner-xc2028.c

@@ -1126,8 +1126,7 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
 
 	priv->frequency = freq;
 
-	tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n",
-	       buf[0], buf[1], buf[2], buf[3],
+	tuner_dbg("divisor= %*ph (freq=%d.%03d)\n", 4, buf,
 	       freq / 1000000, (freq % 1000000) / 1000);
 
 	rc = 0;

drivers/media/common/tuners/xc4000.c

@@ -263,8 +263,7 @@ static int xc_send_i2c_data(struct xc4000_priv *priv, u8 *buf, int len)
 			printk(KERN_ERR "xc4000: I2C write failed (len=%i)\n",
 			       len);
 			if (len == 4) {
-				printk(KERN_ERR "bytes %02x %02x %02x %02x\n", buf[0],
-				       buf[1], buf[2], buf[3]);
+				printk(KERN_ERR "bytes %*ph\n", 4, buf);
 			}
 			return -EREMOTEIO;
 		}