cyapa_i2c_reg_read_block
error = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET, BL_STATUS_SIZE,
ssize_t cyapa_i2c_reg_read_block(struct cyapa *cyapa, u8 reg, size_t len,
ret = cyapa_i2c_reg_read_block(cyapa, 0, CYAPA_CMD_LEN, bl_data);
return cyapa_i2c_reg_read_block(cyapa, cmd, len, values);
ret = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET,