if (rc < 0)
                return rc;
        *error |= rc;
-       dev_err(&state->i2c->dev, "%s: block error for layer %c: %d.\n",
+       dev_dbg(&state->i2c->dev, "%s: block error for layer %c: %d.\n",
                __func__, 'A' + layer, *error);
 
        /* Read Bit Count */
                return rc;
 
        if (!(rc & 0x40)) {
-               dev_info(&state->i2c->dev, "%s: CNR is not available yet.\n",
+               dev_dbg(&state->i2c->dev, "%s: CNR is not available yet.\n",
                         __func__);
                return -EBUSY;
        }
 
        /* Check if data is available */
        if (!(rc & 0x01)) {
-               dev_info(&state->i2c->dev,
+               dev_dbg(&state->i2c->dev,
                        "%s: MER measures aren't available yet.\n", __func__);
                return -EBUSY;
        }