V4L/DVB (11828): Reducing print-level of I2C error prints

Reducing the print-levle of I2C error prints cleans some unwanted but
unavoidable errors from default syslog-level.
Signed-off-by: NMatthias Schwarzott <zzam@gentoo.org>
Signed-off-by: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/b2c2/flexcop-i2c.c

@@ -200,7 +200,7 @@ static int flexcop_master_xfer(struct i2c_adapter *i2c_adap,
 					msgs[i].buf[0], &msgs[i].buf[1],
 					msgs[i].len - 1);
 		if (ret < 0) {
-			err("i2c master_xfer failed");
+			deb_i2c("i2c master_xfer failed");
 			break;
 		}
 	}

drivers/media/dvb/frontends/mt312.c

@@ -77,7 +77,7 @@ static int mt312_read(struct mt312_state *state, const enum mt312_reg_addr reg,
 	ret = i2c_transfer(state->i2c, msg, 2);
 
 	if (ret != 2) {
-		printk(KERN_ERR "%s: ret == %d\n", __func__, ret);
+		printk(KERN_DEBUG "%s: ret == %d\n", __func__, ret);
 		return -EREMOTEIO;
 	}